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).

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 descending REF CODE X12 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE DLMS MIN MAX
  511R 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 1. Use in conjunction with the DTID Number (N907 Code W1) to identify the DTID Number Suffix Code, when applicable. 2. When the DTID Number is provided in N907-02, enter the correlating DTID Suffix using this location. DLMS enhancement, see ADC 466. 1/1
  511R N907-03 W1 Disposal Turn-In Document Number Transaction number under which material was shipped to a DLA Disposition Services Field Office 1. Use in conjunction with the requisition document number (N901 Code TN) when requisitioning a specific item from DLA Disposition Services. 2. For DLA Disposition Services Reutilization/Transfer/Donation (RTD) Web Application, when there is no Suffix Code associated with the customer’s Document Number, enter the correlating DTID in the N907-02. If there is a Suffix Code, then enter the DTID in the N907-04. DLMS enhancement, see ADC 466.
  511R N907-04
  511R 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 1. Use in conjunction with the DTID Number (N907 Code W1) to identify the DTID Number Suffix Code, when applicable. 2. When the DTID Number is provided in N907-04, enter the correlating DTID Suffix using this location. DLMS enhancement, see ADC 466. 1/1
  511R N907-06
  511R PO102
  511R PO103
  511R PO104
  511R PO105 AA Bill Used on the first iteration of the PO1 segment on DoD FEDMALL/part-numbered catalog orders to indicate the unit price that the requisitioner is to be billed.
  511R PO105 AV Average Acquisition Cost Materiel managers use in LROs to provide the average acquisition cost per unit of materiel to be used by the reporting activity to bill the materiel manager for any quantity filled.
  511R PO105 CT Contract Used on the second iteration of the PO1 segment on DoD FEDMALL/part-numbered catalog orders to indicate the contract unit price that the vendor/supplier of the part can invoice.
  511R PO105 ES Estimated Use to indicate an estimated unit price for the nonstandard materiel.
  511R PO105 NC No Charge Use to indicate nonreimbursable (free issue) materiel. DLMS migration enhancement. This usage is comparable to Signal Code D or M.
  511R PO106 A2 Department of Defense Identification Code (DoDIC) Use to identify specific types of ammunition and explosives, indicating both the item and its packaging 1. Use to identify ammunition items. 2. DLMS enhancement; see introductory DLMS note 3a. 4/4
  511R PO106 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item 15/15
  511R PO106 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 3a. 1/30
  511R PO106 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification When the unit of use indicator is included (1/BR01/20=ZZ), the NSN ordered will be interpreted as a unit of use requirement so that the order may be processed against the associated DLA-assigned LSN. The requested quantity is expressed in the unit of use for the LSN in lieu of the unit of issue for the identified NSN. Authorized DLMS enhancement under DLA industrial activity support agreement. 13/13
  511R PO106 FT Federal Supply Classification 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).
  511R PO106 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 FEDMALL or GSA Advantage/Global internet order from a vendor catalog. Refer to ADC 1068. 3. During the legacy MILSTRIP/DLMS transition, this field will be used to perpetuate/populate the MILS stock number field. During this time, field size is restricted to 15 positions; field size is expanded to 32 positions for DoD FEDMALL/part-numbered catalog orders. See introductory DLMS no te 3d. 1/48
  511R PO106 SW Stock Number Use to identify a unique identifier for a product in a warehouse or inventory system 1. Use to identify the local stock number (LSN). 2. When used on the DLMS 511R DLA-Directed MROs (DIC C0_) applicable to DLA Disposition Services inventory for a unit of use LSN applicable to NSN materiel, the applicable NSN will be included for cross-reference. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 4. Authorized DLMS enhancement for intra-DLA use between DLA Disposition Services Field Offices and DLA Disposition Services. Refer to ADC 457. 13/13
  511R PO106 YP Publication Number Reference number assigned to a publication or catalog 1. Use to identify the publication stock number. 2. DLMS enhancement; see introductory DLMS note 3a. 1/48
  511R PO106 ZZ Mutually Defined 1. Use to identify nonstandard materiel when all other authorized codes do not apply (includes management control numbers and locally assigned control numbers). May be used for legacy MILSTRIP-to-DLMS conversion when the translator cannot determine a more appropriate code. 2. DLA Disposition Services Field Offices use on DLA-Directed MROs (DIC C0_) for post-post issues to provide the DoD small arms/light weapons (SA/LW) program authorized management control number (MCN).
  511R PO107
  511R PO108 CN Commodity Name Name or description of material item 1. Use with PO106 code FT to identify the materiel name or description. 2. Use to identify the FEMA Logistics Supply Chain Management System (LSCMS) Item Name. Refer to ADC 1306. 1/48
  511R PO108 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 1. 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 (applicable to post-post process). 2. Authorized DLMS enhancement under DLA industrial activity support agreement; Refer to ADC 381. 3. Authorized DLMS enhancement for intra-DLA use between DLA Disposition Services Field Offices and DLA Disposition Services. Refer to ADC 457. 13/13
  511R PO108 JP Package Type Code Use to indicate Outside Continental United States (OCONUS) shipment Must use to indicate Outside Continental United States (OCONUS) shipment. When used, the paired data element 234 will cite 1 indicating that packaging must meet OCONUS specifications. 1/48
  511R PO108 SW Stock Number Use to identify a unique identifier for a product in a warehouse or inventory system Use to identify the local stock number (LSN). DLA Disposition Services Field Offices use with 511R DLA-Directed MROs (DIC C0_) for confiscated or captured foreign weapons, to identify the disposition LSN in addition to the SA/LW MCN cited in P0106/P0107 by qualifier ZZ. Authorized DLMS enhancement for DLA Disposition Services. DLA Disposition Services requires the disposition LSN for internal DLA processing only. Refer to ADC 1019. 13/13
  511R PO108 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 only with PO106 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 FEDMALL or GSA Advantage/Global internet order from a vendor catalog. 5/5
  511R PO109
  511R PO110 JP Package Type Code Use to indicate Outside Continental United States (OCONUS) shipment Must use to indicate Outside Continental United States (OCONUS) shipment. When used, the paired data element 234 will cite 1 indicating that packaging must meet OCONUS specifications. 1/48
  511R PO111
  511R PO112 A3 Locally Assigned Control Number 1. Defense Medical Logistics Standard Support (DMLSS)/Theater Enterprise-Wide Logistics System (TEWLS) use to cite their Local Catalog Identification for subsequent use as the stock number applicable to receipt and inventory processing. Must be used with the manufacturer’s part number and associated CAGE cited above. 2. DLMS enhancement; see introductory DLMS Note 3a. Refer to ADC 322. 3. Under DLMS, field length is restricted to a maximum of 30 positions.
  511R PO113
  511R PO114 EN GTIN-13 1. This is the Global Trade Item Number (GTIN)-13. 2. DLMS enhancement. See introductory DLMS note 3a.
  511R PO114 UK GTIN-14 1. This is the Global Trade Item Number (GTIN)-14 2. DLMS enhancement. See introductory DLMS note 3a.
  511R PO114 UP GTIN-12 1. This Global Trade Item Number (GTIN)-12. 2. DLMS enhancement. See introductory DLMS note 3a. 12/12
  511R PO115
  511R DD01
  511R DD02 74 Demand Code Indicates to the management element of a distribution system whether the demand is recurring or non-recurring 1. Must use to identify the applicable Demand Code indicating whether the demand is recurring or nonrecurring. 2. Demand code added to the Referral Order (A4_) format by Approved MILSTRIP Change 44. 3. Stratification of quantity by demand code is a potential future DLMS enhancement; see introductory DLMS note 3a. 1/1
  511R DD03 Q8 Registration Number Use to identify a Service-assigned registration tracking number Use in Commercial Asset Visibility (CAV) transactions to indicate a Bureau Number (Aircraft tail number), or other ID code for vehicles or watercraft. 1/30
  511R DD03 W2 Weapon System Number Identifies a three-position alphanumeric code used by the Defense Logistics Agency (DLA) within its Weapon System Support Program (WSSP). It is comprised of a two-position Weapon System Designator (WSD) and a one-position Service Code (SVC)/Activity 1. Use to identify the applicable weapon system designator code. 2. DLMS enhancement; see introductory DLMS note 3a. 3/3
  511R DD04
  511R DD05
  511R DD06 71 Service and Agency Code Use to identify the Service or Agency that initiates or receives documentation related to supply, finance, procurement, etc. 1. Use with the stratified demand data. 2. DLMS enhancement; see introductory DLMS note 3a. 1/2
  511R DD07
  511R DD09
  511R DD10 98 Reason for Requisitioning Code Use to identify the reason for submission of the requisition or the type of materiel requirement applicable to a requisition, requisition alert, or materiel release order 1. Used by Naval IAs to identify the use of the materiel. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 1/2
  511R GF01 C7 Contract Line Item Number A number that identifies all items of supply or services in a contract 1. Use to associate a Contract Line Item Number with the PIID. 2. Use in CAV transactions or as directed by the authorizing Service/Agency. 3. When both the CLIN and the MDN are applicable, identify the CLIN in GF09. Refer to ADC 1014A. 4/6
  511R GF01 W3 Manufacturing Directive Number The DLA source from which a commercial contractor is authorized to requisition material from DoD inventory 1. Use to identify the MDN, in addition to the PIID. 2. Use as directed by the authorizing Service/Agency. Refer to ADC 1014. 3. When both the CLIN and the MDN are applicable, identify the CLIN in GF09. Refer to ADC 1014A. 3/3
  511R GF02
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