DLMS Data Dictionary

The Authoritative Resource for DLMS X12 Data Elements and Codes

This Data Dictionary is the authoritative reference for all data elements used across Defense Logistics Management Standards (DLMS) Implementation Conventions (ICs). It provides standardized definitions and technical specifications for DLMS and its underlying ANSI ASC X12 data structures.

What This Dictionary Provides:

  • Clear Definitions: Find the official business definition and purpose for every data element used in DLMS transactions.
  • Technical Specifications: Get the exact technical format, length, and structure for each element as it appears in an X12 transaction.
  • DLMS to X12 Mapping: Understand exactly how a DLMS business term maps to a specific X12 segment and element (e.g., "Ship-To Address" maps to N1*ST in the 511R transaction).
  • Authoritative Code Lists: Access the complete and current lists of approved codes and qualifiers used in logistics transactions, such as status codes, discrepancy codes, and unit of issue codes.

Who Should Use This Resource:

  • System Developers & Integrators: To correctly build, map, and test DLMS-compliant applications.
  • Logistics & Supply SMEs: To understand the precise meaning and proper use of data in our business processes.
  • Data Analysts & Managers: To ensure data quality, standardization, and interoperability across systems.

Key Implementation Notes:

  • Relationship to Implementation Conventions (ICs): This Data Dictionary is a reference tool that enhances and supports the DLMS Implementation Conventions (ICs); it does not replace them. For proper implementation, users must consult the detailed guidance and business rules contained within the applicable IC.
  • Governing Standards: All data elements are governed by the Accredited Standards Committee X12 (ASC X12) and the policies within DLM 4000.25, Defense Logistics Management Standards (DLMS). The ASC X12 is the governing source for X12, which is an electronic data interchange (EDI) standard.
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View ICSorted by ascending REF CODE CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE
  527R LIN02 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item
  527R LIN02 FB Form Number A unique stock number associated with a specific Approved Code form 1. Use to identify the form stock number. 2. DLMS enhancement; see introductory DLMS note 5a.
  527R LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  527R LIN02 FT Federal Supply Classification 1. Use to identify the FSC of the nonstandard materiel when a part number is not available and materiel can only be ordered by description (e.g., non-NSN lumber products). 2. DLMS enhancement. See introductory DLMS note 5a.
  527R LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production 1. Use to identify nonstandard materiel. 2. May be used to identify the supplier-assigned part number when applicable to a DoD EMAL or GSA Advantage/Global internet order from a vendor catalog. Refer to ADC 1068. N - National Item Identification Number: 1. Use only for CAV when the NSN (FSC plus NIIN) is not available. Refer to ADC 342. 2. Qualifier N is a migration code approved for use in X12 version 5020. This is an authorized DLMS enhancement for use by CAV and by CAV trading partners by mutual agreement.
  527R LIN02 PR Process Number Only for use with Materiel Receipt Acknowledgement transactions (1/BR02/020 Code TH) when stock or part number is unknown. Use only: (1) when the item acknowledgement cannot be identified (must also cite Discrepancy Indicator Code 'A' in 2/LQ02/130 or (2) during DLS to DLMS conversion when the stock or part number was blank in the DLS Document Identifier Code DRA/DRB (this second use will be streamlined out once full DLMS implementation is reached).
  527R LIN02 SW Stock Number 1. Use to identify the local stock number (LSN). Authorized DLMS migration enhancement. 2. When used for a unit of use LSN applicable to NSN materiel, the applicable NSN will be included for and Materiel Receipt Acknowledgement (MRA) , 1420, 1454, 1464, cross-reference. 3. When used for a unit of use LSN applicable to part numbered items, the original part-numbered item LSN will also be included for cross-reference. 4. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381/Approved Addendum 381A. 5. DLA Disposition Services uses with disposition services turn-in receipt acknowledgement (TRA) transaction to cite the Service LSN used on the disposal turn-in document (DTID). The disposition services LSN, or an NSN if applicable, used in the corresponding receipt transaction to receipt the item, is provided at LIN16/LIN17 for a cross reference audit trail. Refer to ADC 1.
  527R LIN02 YP Publication Number Reference number assigned to a publication or catalog 1. Use to identify the publication stock number. 2. DLMS enhancement; see DLMS introductory note 5a.
  527R LIN02 ZR Service Control Identification Use to identify Material Control Tracking (MCT) tag number. The MCT tag number is authorized for DLA industrial activity support agreement only. Refer to ADC 373.
  527R LIN02 ZZ Mutually Defined 1. Use to identify nonstandard materiel when all other authorized codes do not apply or cannot be determined (includes management control numbers and locally assigned control numbers). May be used for DLS-to-DLMS conversion when the translator cannot determine a more appropriate code. 2. Use when a management control number (MCN) is provided. This includes the MCN assigned by the DoD small arms/light weapons (SA/LW) Registry for the DoD SA/LW Serialization Program, IAW DLM , DLMS, Volume 2.
  527R LIN04 CN Commodity Name Use only with LIN02 code FT to identify the materiel name or description.
  527R LIN04 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification The NSN is provided as a cross-reference when unit of use indicator is included and the Local Stock Number (LSN) is identified as the primary materiel identification. Authorized DLMS enhancement under DLA industrial activity support agreement and for DLA Disposition Services (refer to ADC 381 and ADC 42 respectively).
  527R LIN04 N4 National Drug Code in 5-4-2 Format 1. "Use only with LIN01 code 'U' to identify the National Drug Code. NSN must be identified in LIN02/03". 2. DLMS Component-unique enhancement. See introductory DLMS note 5e. and Materiel Receipt Acknowledgement (MRA) , 1420, 1454, 1464, .
  527R LIN04 SW Stock Number 1. Use to identify the local stock number (LSN). 2. The LSN is provided as a cross-reference when unit of use indicator is included and the unit of use LSN is identified as the primary materiel identification. Authorized DLMS enhancement under DLA industrial activity support agreement. 3. DLA Disposition Services uses with receipt and historical receipt transactions, for confiscated or captured foreign weapons, to identify the disposition LSN in addition to the SA/LW MCN cited in LIN02/LIN03 by qualifier Z. Authorized DLMS enhancement for DLA Disposition Services. DLA Disposition Services requires the disposition LSN for internal DLA processing only. Refer to ADC 1019.
  527R LIN04 VC Vendor's (Seller's) Catalog Number 1. "Use only with LIN01 code 'U' to identify the Prime Vendor Catalog Number. NSN must be cited in LIN02/03." 2. DLMS Component-unique enhancement. See introductory DLMS note 5e.
  527R LIN04 VP Vendor's (Seller's) Part Number 1. "Use only with LIN01 code 'U' to identify the Prime Vendor Part Number. NSN must be cited in LIN02/03." 2. DLMS Component-unique enhancement. See introductory DLMS note 5e.
  527R LIN04 ZB Commercial and Government Entity (CAGE) Code Code assigned to establishments which either fabricates items of production and/or have design control of items procured by the federal government, or to identify certain military specifications or standards, and certain numbering systems developed by government agencies, panels or committees 1. Use with LIN02 code MG to uniquely identify a manufacturer's (or supplier’s) part number. 2. May be used to identify the supplier CAGE when applicable to a DoD EMAL or GSA Advantage/Global internet order from a vendor catalog.
  527R LIN06 SW Stock Number DLA Disposition Services uses with Receipt and historical Receipt transactions to identify the Service local stock number (LSN). Used to track the Services' materiel numbers, which will not be stored in EBS. DLA Disposition Services will use this number for marketing purposes only. The primary materiel identification will be at the LIN02/LIN03. The only materiel identification that can be sent to DLA Disposition Services ICP (EBS) in LIN02/LIN03 is an NSN, Disposition Services LSN, or the "R" Les than Unit of Use LSN. Authorized DLMS enhancement for DLA Disposition Services. Refer to ADC 42.
  527R LIN08 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  527R LIN08 SW Stock Number Use to identify the Local Stock Number (LSN).
  527R LIN10 EM Equipment Identification Number Use to identify the Industrial Plant Equipment Report Number. Authorized DLMS enhancement for use by DLA Disposition Services in receipt, historical receipt, and TRA transactions. Refer to ADC 42 and ADC 1.
  527R LIN12 MN Model Number Use to identify the Industrial Plant Equipment (IPE) model number. Use only in conjunction with IPE Report Number (LIN10 code EM). Authorized DLMS enhancement for DLA Disposition Services use in receipt and historical receipt transactions. Refer to ADC 42.
  527R LIN14 RY Record Keping or Model Year Use to identify the Industrial Plant Equipment (IPE) year of manufacture. Use only in conjunction with IPE Report Number (LIN10 code EM). Authorized DLMS enhancement for use by DLA Disposition and Materiel Receipt Acknowledgement (MRA) , 1420, 1454, 1464, Services in receipt and historical receipt transactions. Refer to ADC 42.
  527R LIN16 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification When applicable, DLA Disposition Services uses with TRA transactions to identify the NSN that was used in the corresponding Receipt transaction, when different from the materiel identification cited on the DTID.
  527R LIN16 SW Stock Number When applicable, DLA Disposition Services uses with TRA transactions to identify the disposition services LSN, scrap LSN, or unit of use LSN, that was used in the corresponding Receipt transaction.
  527R LIN16 ZZ Mutually Defined DLA Disposition Services uses with TRA transactions to identify the MCN assigned by the DoD small arms/light weapons (SA/LW) Registry for the DoD SA/LW Serialization Program, when the SA/LW was turned in with a Service-assigned LSN as materiel identification on the DTID.
  527R CS04 83 Extended (or Exhibit) Line Item Number (ELIN) Use to identify the ELIN, or the ELIN including the Sub Exhibit Line Item Number (SUBELIN), as appropriate.
  527R CS04 C7 Contract Line Item Number Use to identify the CLIN, the CLIN including the Sub Contract Line Item Number (SUBCLIN), or the agreement line item number (ALIN), as appropriate.
  527R CS04 FJ Line Item Control Number 1. Use to identify the delivery order line item number for TVR MRA to differentiate the lines on the delivery order. 2. Authorized DLMS migration enhancement. See DLMS introductory note 5g.
  527R N901 11 Account Number 1. Use only for Army Medical Materiel Agreement (AMA) purchase card receipts to identify the Purchase Card Account Number. This is NOT a credit card number. This number is used to cross reference to a credit card number. Use with N907 code 5B. 2. This number will be used by DLA BSM to help reconcile purchase card issues with Defense Medical Logistics Standard Support (DMLS). Since there is no contract number or document number associated with purchase card receipt transactions, this number, along with the purchase card call number (2/N907/30 code 5B), provides for unique identification of the transaction. 3. Authorized DLMS migration enhancement. See DLMS introductory note 5g.
  527R N901 6L Agent Contract Number 1. Use for Air Force GFP accountability when forwarding an MRA or TRA image transaction (identified by BR06 Code FI) to the APSR to identify the procurement instrument identifier (PID) applicable to the contract authorizing Air Force CICP custody of GFP. Use the legacy procurement instrument identification number (PIN) pending transition to the PID. 2. If GFP is authorized under a PID call/order number (F in 9th position), provide the PID call/order number in the PID field. 3. Authorized DLMS enhancement. Refer to ADC 124A.
  527R N901 DO Delivery Order Number 1. Use in conjunction with the PIN (Code 6L) for GFP-related transactions to identify the legacy four position call/order number associated with the PIN applicable to the contract authorizing the contractor to have custody of GFP. 2. Do not use for the PID call/order number. The PID call/order number is mapped to Code 6L. 3. Authorized DLMS enhancement. Refer to ADC 124A. and Materiel Receipt Acknowledgement (MRA) , 1420, 1454, 1464, .
  527R N901 MS Manufacturer's Material Safety Data Shet Number 1. Use to identify the Safety Data Shet (SDS) number. Authorized DLMS enhancement for use by DLA Disposition Services in receipt and historical receipt transactions. Identify additional SDS numbers, when required for this receipt, in the composite at N907. Refer to ADC 42. 2.The SDS number is used to determine/confirm the disposition category of a property. It will also need to be sent to the Reutilization, Transfer, and Donation (RTD) web in order for RTD customer to view the SDS number(s) tied to a specific DTID number that is eligible to be requisitioned. In order to send this to the RTD web, EBS will need to store this information. EBS can receive up to four SDS numbers per receipt.
  527R N901 TN Transaction Reference Number A unique number generated by the original submitter of a pre-defined transaction and assigned to any pre-defined information exchange within the department of defense The transaction reference number retains its identity for the life of the generated transaction Use to identify the document number.
  527R N901 EVI Event Identification 1. Use for DLA Disposition Services Field Office receipt of FMS requisitioned materiel with associated freeze action pending approval. The only applicable value for this transaction is Code F=Freeze Indicator. Refer to ADC 156. 2. Qualifier EVI is a migration code approved for use in X12 version 4030.
  527R N901 SLI Secondary Location Identifier 1. Use in combination with purpose code Z to request further segregation below line item. SLI cannot exceed 6 alpha/numeric characters. 2. A local code ‘SLI’ is established for use in the 527R, version 4010. A data maintenance action has been submitted for establishment of ‘SLI- Secondary Location Identifier’ in a future version.
  527R N907-01 5B Supplemental Account Number 1. Use with N901 code 1. Use only for Army Medical Materiel Agreement (AMA) purchase card receipts to identify the Purchase Card Call Number associated with the Purchase Card Account Number (N901 code 1). The combination of the two fields provides for unique identification of the transaction. 2. Authorized DLMS migration enhancement. See DLMS introductory note 5g. and Materiel Receipt Acknowledgement (MRA) , 1420, 1454, 1464, .
  527R N907-01 MS Manufacturer's Material Safety Data Shet Number Use to identify the Safety Data Shet (SDS) number when two SDS numbers are required. Use in conjunction with N901 code MS. Authorized DLMS enhancement for use by DLA Disposition Services in receipt and historical receipt transactions. Refer to ADC 42.
  527R N907-01 W1 Disposal Turn-In Document Number 1. Use to identify the Disposal Turn-In Document (DTID) Number when provided as a secondary reference number. The DTID number is used by DLA Disposition Services as a unique number to identify property that was turned into a DLA Disposition Service Field Office. The value of the DTID maybe the original turn-in document number or may be a unique control number (UCN) assigned by the Field Office during receipt processing when the original DTID number is not adequate to uniquely identify the property. 2. The DTID, as a secondary reference number, will be populated when a turn-in is split into multiple shipments when sent to the Field Office (DS). DLA Disposition Services requires each split shipment results in creation of a new Unique Control Number (UCN) upon receipt at the Field Office (DS). When this occurs, the original DTID number will be populated 2/N901/030/TN as controlling document number with the associated suffix at 2/N901/90. The UCN will be populated in the DTID field as a secondary reference. 3. The DTID, as a secondary reference number, may also be populated when a receipt expected in one SC is received in multiple SCs; DLA Disposition Services requires each receipt differentiated by creation of a new Unique Control Number (UCN) upon receipt at the Field Office (DS). When this occurs, the original DTID number will be populated 2/N901/030/TN as controlling document number. The UCN will be populated in the DTID field. (DLA Disposition Services uses this UCN process in place of the MILSTRAP Receipt Suffix Code whereby a receipt suffix code is assigned when all data elements are the same, except the SC of materiel, for materiel being received). 4. Used with TRA transaction for a cross reference audit trail when the UCN is applicable. The TRA recipient would not recognize the UCN. The original DTID number will be populated at 2/N901/030/TN as controlling document number for the TRA transaction, with the associated suffix at 2/N901/90. 5. Authorized for DLA Disposition Services use in receipt, historical receipt, and TRA transactions. Use in conjunction with the controlling document number cited at 2/N901/030/TN. Refer to ADC 42 and ADC 1.
  527R N907-03 60 Account Suffix Code Use to identify the Disposal turn-in document (DTID) suffix code that equates to the suffix used on the original property turn-in and retained by DLA Disposition Services for accountability and tracking Use in conjunction with the DTID Number (N907-01 Code W1) to identify the DTID Suffix Code, when applicable, when code Q5 for a UCN is not required. If using N907-03/04 to provide code Q5, then enter the DTID Suffix Code in N907-05/06. DLMS enhancement, see ADC 466.
  527R N907-03 MS Manufacturer's Material Safety Data Shet Number Use to identify the Safety Data Shet (SDS) number as needed when three SDS numbers are required. Use in conjunction with N901 code MS and N907-01 code MS. Authorized DLMS enhancement for use by DLA Disposition Services in receipt and historical receipt transactions. Refer to ADC 42.
  527R N907-03 Q5 Property Control Number 1. This is used to represent a DLA Disposition Services Unique Control Number assigned to prevent DTID re-use. This is used with shipments to a DEMIL facility, when a Traffic Management Office and Materiel Receipt Acknowledgement (MRA) , 1420, 1454, 1464, partialed a shipment of materiel and there are three document numbers associated with the receipt transaction at the DEMIL facility. Used in conjunction with the original 940R Materiel Release Order (MRO) document number serving as the controlling document number for the receipt, and the original DTID from the losing DLA Disposition Services Field Office. All three numbers will be reported on the DLMS 527R when applicable. Refer to ADC 42. 2. Authorized for DLA Disposition Services use in receipt and historical receipt transactions. Use in conjunction with the controlling document number cited at 2/N901/030/TN and the DTID cited at 2/N907-01/030/W1.
  527R N907-05 60 Account Suffix Code Use to identify the Disposal turn-in document (DTID) suffix code that equates to the suffix used on the original property turn-in and retained by DLA Disposition Services for accountability and tracking Use in conjunction with the DTID Number (N907-01 Code W1) to identify the DTID Suffix Code, when applicable. DLMS enhancement, see ADC 466.
  527R N907-05 MS Manufacturer's Material Safety Data Shet Number Use to identify the Safety Data Shet (SDS) number as needed when four SDS numbers are required. Use in conjunction with N901, N907-01 and N907-03 code MS. Authorized DLMS enhancement for use by DLA Disposition Services in receipt and historical receipt transactions. Refer to ADC 42.
  527R RCD08 2 Quantity Short Authorized DLMS enhancement under DLA industrial activity support agreement with Marine Corps only. Refer to ADC 128.
  527R G6201 7 Effective Date For receipt of mapping products, use to identify the map effective date. Authorized DLMS migration enhancement. See DLMS introductory note 5g.
  527R G6201 11 Shipped on This Date Must use in inquiries on delinquent MRA; use in MRA transactions for security assistance shipments when the mode of shipment is identified in the 2/G6/15 segment; otherwise, do not use.
  527R G6201 17 Estimated Delivery Date Must use in each inquiry on an overdue receipt; otherwise do not use.
  527R G6201 35 Delivered on This Date Use in each receipt, historical receipt, and disposition services turn-in receipt acknowledgement (TRA) transaction to identify the date the carrier released the materiel; otherwise do not use.
  527R G6201 52 Ordered Use in Commercial Asset Visibility (CAV) receipts to indicate an Order Date.
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