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 DLMS MIN MAX
  867I DTM03 N/A
  867I REF01 16 Military Interdepartmental Purchase Request (MIPR) Number Use to establish the availability of funds and to procure, perform services, or furnish material to or for the required service 1. Use when tracking in-process maintenance; otherwise do not use. 2. DLMS enhancement; see introductory DLMS note 5a. 1/20
  867I REF01 1I 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 5a. 4/4
  867I REF01 43 Supporting Document Number Use to identify, track, and reference a document or transaction across various processes, including procurement, receipts, and maintenance Used to perpetuate/convey a Supporting Maintenance Document Number as necessary. The content in this field may only be meaningful to the receiver of this transaction. May be used to convey maintenance control/document numbers. 1/30
  867I REF01 6L Agent Contract Number Use in Government Furnished Property (GFP)-related transactions to identify the procurement instrument identifier (PIID) applicable to the contract authorizing the contractor to have custody of Government Furnished Property (GFP) 1. Use in GFP-related transactions to identify the procurement instrument identifier (PIID) applicable to the contract authorizing the contractor to have custody of GFP. Use the legacy procurement instrument identification number (PIIN) pending transition to the PIID. 2. If GFP is authorized under a PIID call/order number (F in 9th position), provide the PIID call/order number in the PIID field. 3. Required for Air Force GFP accountability to identify the CICP�s contract number. 4. Authorized DLMS enhancement; see introductory DLMS note 5e on IC cover page. Refer to ADC 1224. 13/13
  867I REF01 77 Work Package Use to identify a maintenance work order number 1. Use to identify a maintenance work order number. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 1/30
  867I REF01 86 Operation Number Use to identify a discrete, sequenced task or step within a larger Job Order (JO) that must be completed to achieve a specific mission objective 1. Use to identify the Key Operation (KO) Number associated with the JO. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 1/30
  867I REF01 9R Job Order Number Use to identify Job Order (JO) Number 1. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 2. For DoD SLOA/Accounting Classification compliance the Job Order Number may be repeated as a Work Order Number (FA201 Qualifier WO). Refer to ADC 1043. 1/50
  867I REF01 AH Agreement Number Use to identify the Depot Maintenance Inter-Service Support Agreement (DMISA) number when tracking in-process maintenance or materiel 1. Use to identify the Depot Maintenance Inter-Service Support Agreement. Use when tracking in-process maintenance, otherwise do not use. 2. DLMS enhancement; see introductory DLMS note 5a. 1/30
  867I 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). 5/5
  867I REF01 CT Contract Number A standard unique identification of a DoD procurement contract (contract number) that specifically differentiates one contract from all other contracts 1. Use in GFP-related transactions to provide contract information associated with the authorizing shipment of GFP to the contractor. 2. Use to identify the procurement instrument identifier (PIID). Use the legacy procurement instrument identification number (PIIN) pending transition to the PIID. When GFP 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. 3. Authorized DLMS enhancement. Refer to ADC 1014 and ADC 1224. 1/13
  867I REF01 CU Clear Text Clause Use to provide a clear text description that is not otherwise described by authorized codes 1. Use with 2/PTD01/010 code BQ to provide a clear text description that is not otherwise described by authorized codes. 2. DLMS enhancement; see introductory DLMS note 5a. 1/30
  867I REF01 DO Delivery Order Number Use to identify the Contract Delivery Order number For GFP, use delivery order number for contracts that have an A, G, or D in the 9th position. Please note that the delivery order numbers are required for contracts with A and G. 13/13
  867I REF01 FQ 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. 3. Use REF03 to provide form stock number. Refer to ADC 1287. 1/30
  867I REF01 MF Manufacturers Part Number A number assigned by a manufacturer to an item of production 1. Use to identify nonstandard materiel. 2. Use REF03 to provide manufacturer�s part number. Refer to ADC 1287. 1/30
  867I REF01 NN Nonconformance Report Number Use to identify Report Control Number (RCN) Use to identify the submitting system�s SDR/SQCR report control number. This will be the originator�s system assigned number. 12/12
  867I REF01 NS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  867I REF01 Q9 Repair Order Number Identifies originating repair order number or repair document number under which repair action is being taken Identifies the Associated Commercial Asset Visibility (CAV) Repair Document Number. Use to cite the appropriate repair document number (i.e., CAV Repair Cycle Document Number or CAV-Organic Repair Module (CAV-ORM) Repair Component Document Number), depending upon applicability. CAV uses with Issue transactions. Refer to ADC 341 and ADC 461. 1/30
  867I REF01 RV Receiving Number Use to identify a Previous Movement Document Number Used in CAV to identify a Previous Movement Document Number. Refer to ADC 341. 14/14
  867I 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. When used for a unit of use LSN applicable to NSN materiel, the applicable NSN will be included for 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. 13/13
  867I REF01 TF Transfer Number CAV uses to identify the Advanced Traceability and Control (ATAC) Indicator CAV cites ATAC Indicator �1� for ATAC Reporter which indicates that this shipment is to the ATAC hub for trans-shipment CAV uses to identify the Advanced Traceability and Control (ATAC) Indicator. CAV cites ATAC Indicator �1� for ATAC Reporter which indicates that this shipment is to the ATAC hub for trans-shipment. DLMS migration enhancement authorized for CAV use only. See introductory DLMS note 5e. Refer to ADC 341. 3/3
  867I 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 Must use to identify the document number from the source document. 14/14
  867I REF01 WF Locally Assigned Control Number Use to identify the locally assigned control number 1. Defense Medical Logistics Standard Support (DMLSS)/Theater Enterprise-Wide Logistics System (TEWLS) use to cite their Local Catalog Identification which can reference multiple prime vendor part numbers for a specific site. Always cite the Local Catalog Identification value in REF03. 2. DLMS enhancement. See introductory DLMS note 5a. 1/50
  867I 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 1. Use when a part number is not available and materiel can only be identified by description (e.g., non-NSN lumber products). 2. DLMS enhancement; see introductory DLMS note 5a. 4/4
  867I REF01 WO Work Order Number Use to identify the number assigned by a maintenance facility identifying the repair requirement Use to identify the Build Directive Number for medical/surgical component assembly. A data maintenance action was approved in version 5010. The approved code/name is �BDN � Build Directive Number. N/A
  867I 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. 1/30
  867I REF01 X9 Internal Control Number Use to identify the unique contractor reference number assigned by the contractor Used in CAV to identify a contractor�s reference number. Contractor�s Reference Number is used to indicate the unique number used by the CAV II System to identify and track EDI transactions. Refer to ADC 341. 1/30
  867I REF01 XD Subsistence Identification Number Use to identify a brand name resale subsistence item 15/15
  867I REF01 ZZ Mutually Defined Use to where there is no suitable X12 code in the data element. 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 DLSS-to-DLMS conversion when the translator cannot determine a more appropriate code. N/A
  867I REF01 ABV Book Number Use to identify the publication stock number Use for publication stock number. This is a DLMS enhancement for future use. 13/13
  867I REF01 NIN National Item Identification Number Used to differentiate each individual item of supply from all other items of supply 1. Use only for CAV when the NSN (FSC plus NIIN) is not available. Refer to ADC 341. 2. 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. 9/9
  867I REF01 PWC Preliminary Work Candidate Number Used for preliminary notification that an order for material (requisition) is being prepared for future submission to a supply source Applicable for DLA industrial activity support agreements 1. Use to identify a Requisition Alert Document Number. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 15/15
  867I REF01 X18 Secondary Location Identifier Use to request further segregation below line item Use in combination with purpose code �Z� to request further segregation below line item. Secondary Location Identifier cannot exceed six alpha/numeric characters. The combination of purpose code �Z� and the secondary location indicator qualifier X18 allows the use of the stock allocation reference value to request segregation below line item. 1/6
  867I REF02 N/A
  867I REF03 N/A
  867I REF04 N/A
  867I REF04-01 1Y Repair Action Number Use to identify the Depot Maintenance Inter-Service Support Agreement (DMISA) line number for tracking in-process materiel 1. Use with REF01 code AH to identify the DMISA line number. Use when tracking in-process maintenance, otherwise do not use. 2. DLMS enhancement; see introductory DLMS note 5a. 1/30
  867I REF04-01 NS 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. 13/13
  867I REF04-01 OQ Order Number Use to identify the legacy four-position call/order number associated with the PIIN or Contract Line Item Number (CLIN) 1. Use as directed by the authorizing Service/Agency in GFP-related transactions with REF01 Code CT to identify the Delivery Order number. 2. Do not use for the PIID call/order number. The PIID call/order number is mapped to REF01 Code CT. Refer to ADC 1161A. 3. Authorized DLMS enhancement. Refer to ADC 1014. 4/4
  867I REF04-01 PG Product Group Use to identify the materiel name or description Must use with REF01 code WL to identify the materiel name or description. 1/30
  867I REF04-01 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. 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. 13/13
  867I 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 Use with REF01 code MF to uniquely identify the manufacturer's part number. 5/5
  867I 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 REF01 code TN to identify the issue document number suffix. 2. Use with REF01 code RV to identify the Previous Movement Document Number Suffix. 3. 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 for under DLA industrial activity support agreement. Refer to ADC 381. 1/1
  867I REF04-02 N/A
  867I REF04-03 C7 Contract Line Item Number A number that identifies all items of supply or services in a contract 1. Use as directed by the authorizing Service/Agency in GFP-related transactions to associate a Contract Line Item Number with the Contract Number. 2. Authorized DLMS enhancement; Refer to ADC 1014 4/6
  867I REF04-04 N/A
  867I REF04-05 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 Use to identify DTID Number Suffix when applicable. 1/1
  867I REF04-06 N/A
  867I 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. 1/60
  867I N101 CN Consignee Use in CAV transactions to indicate a Ship to DoDAAC 1. Use in CAV transactions to indicate a Ship to DoDAAC. 2. DLMS enhancement; see introductory DLMS note 5a. 3. Authorized DLMS enhancement for Inter-Service Ammunition use to identify consignee (DIC BG1/BG2 rp 66-71). Use with N103 code 10-DODAAC. DLMS Component unique enhancement. See introductory DLMS note 5f. Refer to ADC 261 and ADC 445. 6/6
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