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 ascending REF CODE X12 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE
  869F REF01 AN Associated Purchase Orders Use for cross-reference to the customer’s internal Purchase Order (PO) Number or other internal reference number 1. Use for cross-reference to the customer’s internal Purchase Order (PO) Number (one PO Number per requisition document number) or other internal reference number. When submitted, this value will be perpetuated to subsequent transactions. Authorized for DLA interface with the Exchange, NEXCOM, MCX, and non-DoD customers as required. (See ADC 473A and ADC 1465) 2. Use to identify the FEMA Logistics Supply Chain Management System (LSCMS) Distribution Order Number. Refer to ADC 1306.
  869F REF01 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number Use in UIT loops to indicate the manufacturer's batch number or other number identifying the production run.
  869F REF01 CO Customer Order Number Use to identify the Customer Order Acceptance Record (COAR) applicable to the Job Order Number. 1. Use to identify the Customer Order Acceptance Record (COAR) applicable to the Job Order Number. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381 (or as applicable).
  869F REF01 CT Contract Number A standard unique identification of a DoD procurement contract (contract number) that specifically differentiates one contract from all other contracts Use to identify the contract number PIID or obligation Agreement number associated with the requisition. When procurement is authorized under a PIID call/order number (F in 9th position), provide the value in the PIID field. For Other Transaction (OT) agreements, the type of instrument (9th position of PIID) will be a 3 for Research OTs or 9 for Prototype and Production OTs. Refer to ADC 1161A or ADC 1420.
  869F REF01 F8 Original Reference Number Use to identify the prior Requisition Document Number when re-requisitioning materiel subsequent to purchase of materiel from DLA Applicable for DLA industrial activity support agreements when re-requisitioning is due to storage activity denial or receipt of quality deficient materiel 1. Use to identify the Prior Requisition Document Number when re-requisitioning materiel subsequent to purchase of materiel from DLA. Applicable when re-requisitioning is due to storage activity denial or receipt of quality deficient materiel. 2. Authorized DLMS enhancement for BRAC IMSP only. Refer to ADC 352 and ADC 359.
  869F REF01 FQ Form Number A unique stock number associated with a specific Approved Code form 1. Use in 2/HL/010 transaction loops to identify the form stock number. 2. Enter the form number in REF03. Refer to ADC 1287.
  869F REF01 LT Lot Number Use in UIT loops to indicate the manufacturer's lot number.
  869F REF01 MF Manufacturers Part Number A number assigned by a manufacturer to an item of production 1. Use in 2/HL/010 transaction loops to identify nonstandard materiel. Use code W7 in REF04 to identify the CAGE code. 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. Enter the manufacturer’s part number in REF03. Refer to ADC 1287.
  869F REF01 NS 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/BSI07/20=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.
  869F REF01 S6 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. Applicable to Navy IAs requisitions and requisition alerts. May be used for identification of LSNs for part-numbered items in lieu of a part-numbered requisition. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  869F REF01 SE Serial Number A value assigned for identification of an item Use in UIT loops to indicate the unique item identifier (UII).
  869F REF01 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 1. Must use in 2/HL/010 transaction loops to identify a transaction number assigned to the transaction. This is the document number. 2. When used in the requisition alert follow-up (BSI09=83), this will be the requisition alert document number. The requisition alert is an Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  869F REF01 W4 Procurement Request Number Use to identify a procurement request associated with the requisition when no contract number is assigned.
  869F REF01 W6 Federal Supply Schedule Number
  869F REF01 WL Federal Supply Classification Code Use to identify the supply classification of an item of supply identified under the federal cataloging program, an item of production and/or a homogeneous area of commodities in respect to their physical or performance characteristics. The first two digits identify the federal supply group and the last two digits identify the specific class within the specified group Use to identify the Federal Supply Classification of nonstandard materiel when a part number is not available and materiel can only be identified by description (e.g., non-NSN lumber products).
  869F REF01 WO Work Order Number Number assigned by a maintenance facility identifying the repair requirement 1. Use to identify a maintenance work order number. 2. DLMS enhancement; see introductory DLMS note 4g. 3. For DoD SLOA/Accounting Classification compliance the Work Order Number may be repeated at FA201 Qualifier WO. Refer to ADC 1043.
  869F REF01 WP Warehouse Pick Ticket Number Use to identify the picklist control number assigned to identify a specific job for which materials are being requisitioned and assembled together in support of planned maintenance 1. Use to identify the picklist control number assigned to identify a specific job for which materiels are being requisitioned and assembled together in support of planned maintenance. 2. Cite the picklist control number in REF03 due to field length. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  869F REF01 XD Subsistence Identification Number Use to identify a brand name resale subsistence item Use in 2/HL/010 transaction loops to identify subsistence items.
  869F REF01 ZZ Mutually Defined 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 legacy MILSTRIP-to-DLMS conversion when the translator cannot determine a more appropriate code.
  869F REF01 ABV Book Number Use to identify the publication stock number Use for publication stock number. This is a DLMS enhancement for future use.
  869F REF01 PWC Preliminary Work Candidate Number 1. Use to identify a Requisition Alert Document Number. 2. Used by Navy Shipyards to associate the funded requisition follow-up with a previously submitted requisition alert. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  869F REF02
  869F REF03
  869F REF04
  869F REF04-01 43 Supporting Document Number Use to identify, track, and reference a document or transaction across various processes, including procurement, receipts, and maintenance 1. Use with REF01 code TN to identify the Special Program Requirement (SPR) transaction number. 2. Use to establish an audit trail between the draw-down requisition and the original SPR against which the requirement was established. 3. DLMS enhancement; see introductory DLMS note 4a.
  869F REF04-01 55 Sequence Number Use to identify sequence number in various process areas DLA Disposition Services uses in conjunction with the Disposition Services Container ID (REF01 Code 98) to identify the Disposition Services Container DTID Sequence Number. This is a sequential number assigned for the requisitioned DTIDs that make up a container. Only applicable if an entire container is requisitioned. Refer to ADC 466.
  869F REF04-01 C7 Contract Line Item Number A number that identifies all items of supply or services in a contract Use with 2/REF/105 REF01 code CT, to identify the associated Contract Line Item Number (CLIN), including the SUB Contract Line Item Number (SUBCLIN), or Agreement Line Item Number (ALIN) as appropriate.
  869F REF04-01 IX Item Number 1. Use with REF01 code W6 to indicate the Federal Supply Schedule Special Item Number. 2. DLMS enhancement; see introductory DLMS note 4a.
  869F REF04-01 PG Product Group Use only with REF01 code WL to identify the materiel name or description.
  869F REF04-01 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 controlling requisition document number for the transaction (REF01 Code TN) when requisitioning a specific item from DLA Disposition Services. 2. DLMS enhancement; see introductory DLMS note 4a.
  869F REF04-01 W7 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 REF01 code MF 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.
  869F REF04-01 W8 Suffix Use to identify supply transaction partial actions taken on the original document without duplicating or causing loss of identity of the original document number 1. Use with 2/REF/105 REF01 code TN to identify the document number suffix. Use when initial 511R is a referral order identified with BR02 transaction type code BN. 2. Also authorized on an Intra-Army basis for identification of the post-post partial issue of materiel by Army Single Stock Fund activities. This use is allowed when the initial 511R is a requisition identified with BR02 transaction type code A0 and BR06 action code is “J”. 3. Use with REF01 Code F8 to identify the prior requisition document number suffix if applicable. Authorized DLMS enhancement for BRAC IMSP only. Refer to ADC 352 and ADC 359. 4. When used in the requisition alert follow-up (BSI09=83), or when used in association with the Requisition Alert Document Number (Qualifier PWC, above), this will be the requisition alert document suffix. The Requisition Alert Document Number Suffix is an Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 5. DLA Disposition Services uses on an intra-DLA basis for requisitions processed between the RTD Web Application and DLA Disposition Services. The RTD Web-sequentially assigned suffix code is used for open requisition quantity on externally submitted requisitions when required to establish separate requisition transactions to DLA Disposition Services by DTID Number and, when applicable, the associated DTID Suffix Code. Refer to ADC 466.
  869F REF04-01 PGC Packing Group Code Must use to indicate Outside Continental United States (OCONUS) shipment. When used, the paired data element 127 will cite 1 indicating that the packaging number must meet OCONUS specifications.
  869F REF04-02
  869F REF04-03 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 (REF04 Code W1) to identify the DTID Number Suffix Code, when applicable. 2. When the DTID Number is provided in REF04-02, enter the correlating DTID Suffix using this location. DLMS enhancement, see ADC 466.
  869F REF04-03 PO Purchase Order Number Use in CAV transactions with 2/REF01/105/CT to identify an associated purchase order number for the item being validated,
  869F REF04-03 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 (REF01 Code TN) when requisitioning a specific item from DLA Disposition Services. 2. When there is no Suffix Code (REF04 Code W8), associated with the customer’s Document Number, enter the correlating DTID in the REF04-02. If there is a Suffix Code, then enter the DTID in the REF04-04. DLMS enhancement, see ADC 466.
  869F REF04-03 WF 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 4a. Refer to ADC 322. 3. Under DLMS, field length is restricted to a maximum of 30 positions.
  869F REF04-04
  869F REF04-05 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 (REF04 Code W1) to identify the DTID Number Suffix Code, when applicable. 2. When the DTID Number is provided in REF04-04, enter the correlating DTID Suffix using this location. DLMS enhancement, see ADC 466.
  869F REF04-06
  869F N101 BG Buying Group Use to identify the G-Invoicing Group Name Description 1. Use to identify the G-Invoicing Group Name Description. Refer ADC 1465. 2. DLMS enhancement; see introductory DLMS note 3a.
  869F N101 BS Bill and Ship To The organization that receives both the material and the billing for goods and applicable services Use either this code, or both codes BT and ST, for reimbursable materiel. Use to identify the organization which receives both the materiel and the billing for the materiel.
  869F N101 BT Bill-to-Party The organization to receive the billing for goods and/or services 1. Use with code ST for reimbursable materiel. Use to identify the organization to receive billing for materiel when different from the organization receiving the materiel. Use precludes the use of code BS for the Bill-to DoDAAC. 2. Use for SFIS compliant systems to identify the BPN of the party to receive the bill. BPN may only be used when the corresponding DoDAAC is also provided. This will require a second iteration of the N1 loop with the same qualifier. 3. Authorized DLMS enhancement; see introductory DLMS note 4g.
  869F N101 DA Delivery Address Use to identify the in-the-clear exception ship-to address organization name 1. Use with 2/N2/120, 2/N3/130 and 2/N4/140 to fully identify in-the-clear exception ship-to address information. 2. Use for Requisition Exception Data Transaction (DLA DIC YRZ-Transaction Code ST) for exception ship-to address information. See introductory DLMS note 4f.
  869F N101 DZ Delivery Zone Use to provide the delivery location indicating where the materiel is to be staged/stored 1. Use to provide the DELIVERY LOCATION indicating where the materiel is to be staged/stored. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  869F N101 IF International Freight Forwarder Use for Requisition Exception Data Transaction (DLA DIC YRZ-Transaction Code NA) Notice of Availability (NOA) address information. See introductory DLMS note 4f.
  869F N101 MF Manufacturer of Goods Use to identify the manufacturer of the identified item 1. Use in 2/HL/010 transaction loops to identify the manufacturer's name for nonstandard materiel. 2. Use in each 2/HL/010 UIT loop to identify the manufacturer.
  869F N101 OB Ordered By Must use to identify the requisitioner.
  869F N101 PK Party to Receive Copy 1. Use as needed to identify an organization to be provided a copy of this transaction. Use with N103, qualifier M4 (Routing Identifier); and, N106, qualifier To (Message To). 2. Must be used between Army and DLA for their integrated set assembly program, when an assembly component part being ordered by the Army is not managed by DLA, and DLA is acquiring it in support of the Army medical mission. Refer ADC 276. 3. Used between Navy and DLA for Navy requisitions submitted directly to other Component SoS, so that DLA will be able to support follow-on actions on behalf of the Navy industrial activity (IA) under a DLA industrial activity support agreement. Refer to ADC 377. 4. DLMS enhancement; see introductory DLMS Note 4a.
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