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 IC REF CODE X12 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE DLMS MIN MAX
  846A LIN02 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 DLSS-to-DLMS conversion when the translator cannot determine a more appropriate code.
  846A LIN03
  846A 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 Use with LIN02 code MG to uniquely identify a manufacturer's part number. 5/5
  846A LIN05
  846A LIN06 SW Stock Number Use to identify a unique identifier for a product in a warehouse or inventory system 1. Use to identify the ‘unit of use’ LSN assigned for NSN materiel issued at less than the unit of issue when reclassifying materiel from an NSN to a ‘unit of use’ LSN. The NSN is cited at LIN02-03. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 2. For Marine Corps only, this is also used to identify the ‘unit of use’ LSN assigned for LSN materiel issued at less than the unit of issue when reclassifying materiel from an LSN to a ‘unit of use’ LSN. The LSN is cited at LIN02-03. Authorized for DLA industrial activity support agreement only. Refer to ADC 398. 13/13
  846A LIN07
  846A LIN08 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification Use to identify the cross reference NSN, when a unit of use LSN is identified in LIN02 (do not use with BIA06 action code CV-Convert). Authorized for DLA industrial activity support agreement and for DLA Disposition Services. Refer to ADC 376 and ADC 413 respectively. 13/13
  846A LIN09
  846A MEA01 CF Conversion Factor Use to identify the conversion factor to convert Federal Logistics Information Services (FLIS) National Stock Number (NSN) unit of issue quantity to Local Stock Number (LSN) unit of use quantity 1. Use to convert FLIS NSN unit of issue quantity to LSN unit of use quantity. 2. For Marine Corps only, also used to convert LSN unit of issue quantity to LSN unit of use quantity. 1/20
  846A MEA03
  846A MEA04
  846A MEA04-01
  846A MEA04-04
  846A DTM01 097 Transaction Creation Use to identify the date of transaction preparation Use to identify the date the transaction was prepared. 8/8
  846A DTM01 106 Required By Use in asset status inquiries to identify the date by which a one-time asset status report is required. Use only in reclassification request transactions to identify the date by which reclassification action must be completed. 8/8
  846A DTM01 171 Revision Use to identify a revision or reclassification date Use only in extension request transactions to identify the date by which the reclassification action can be completed. 8/8
  846A DTM01 508 Extended Use in extension response transactions to identify the Approved Code revision to the date by which the reclassification action must be completed Use only in extension response transactions to identify the approved revision to the date by which the reclassification action must be completed. 8/8
  846A DTM02
  846A REF01 18 Plan Number "Use to identify the protection document number (document number under which the materiel is protected)" 1. Use to identify the protection document number (document number under which the materiel is protected.) This includes requisition alert document number and Navy funded document number. Use qualifier ‘TN’ for the controlling document number for the Asset Reclassification Request/Response transactions. 2. When modifying the protection document number, this is the ‘TO’ number, and the ‘FROM’ number uses qualifier ’T9’. 3. When assigning or removing protection, use to cite the protection document number. 4. When converting and materiel was previously protected, use to cite the protection document number. 5. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/30
  846A REF01 86 Operation Number Use to identify the Key Operation (KO) Number associated with the JO Use to identify the informational key operation number. There is no ‘FROM’ or ‘TO’ key operation number. The key operation number is always an overlay. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/50
  846A REF01 98 Container/Packaging Specification Number Use to identify the Disposition Services Container Identification (ID) which is a unique number that is generated at time of receipt that links multiple Disposal turn-in document (DTID) to one conta8iner This is used to represent the DLMS data element for the new (‘TO’) Disposition Services Container ID Number. DLA Disposition Services uses when modifying the Disposition Services Container Identification (ID) Number and a new Disposition Services Container ID Number is assigned. The original (‘FROM’) Disposition Services Container ID Number uses qualifier ‘SQ’. Use only with BIA06 Action Code 2. Authorized for use by DLA Disposition Services only. Refer to ADC 413. 10/10
  846A REF01 9R Job Order Number Use to identify Job Order (JO) Number 1. When modifying a JO Number, this is the ‘TO’ number, and the ‘FROM’ JO number uses qualifier ‘JB’. 2. When assigning or removing protection, use to cite the JO. 3. When converting and materiel was previously protected, use to cite the protection JO. 4. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/50
  846A REF01 C7 Contract Line Item Number A number that identifies all items of supply or services in a contract 1. Use a second occurrence of code C7, as needed. The first occurrence in 2/CS04/240 identifies the current categorization associated with the suspended or suspected materiel. The second occurrence identifies the categorization as needed to identify the Contract Line Item Number (CLIN), or the CLIN including the Subcontract Line Item Number (SUBCLIN) to which the suspended or suspected materiel should be reclassified. 2. Use in asset reclassification request/follow-up transactions. 4/6
  846A 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 informational Customer Order Acceptance Record (COAR) applicable to the Job Order Number. The separately cited COAR and the COAR embedded in the JO need to be kept in sync. Accordingly, when modifying the protection JO, the separate COAR must also be modified to match the associated JO. 2. When modifying a COAR to match the associated JO, this is the ‘TO’ number, and the ‘FROM’ COAR uses qualifier ‘OW’. 3. When assigning or removing protection by JO, use to separately cite the COAR associated with the JO. 4. When converting and materiel was previously protected by JO, use to separately cite the COAR associated with the JO. 5. Authorized for DLA industrial activity support agreement only. Refer to ADC 376 5/5
  846A REF01 F8 Original Reference Number Use to identify the Supply Discrepancy Report (SDR) Customer Reference Number when provided separately Use in asset reclassification request transactions to identify the document number previously assigned to the receipt for which reclassification is requested. For suspended receipts, cite the document number of the materiel receipt. For suspended materiel previously transferred to a suspended condition as a result of an inventory adjustment, cite the document number of the adjustment. 1/50
  846A REF01 JB Job (Project) Number Use to identify the Project Identifier for DoD SLOA/Accounting Classification 1. Only use when modifying a JO number, this is the ‘FROM’ Number. The ‘TO’ JO number uses qualifier ‘9R’. 2. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/50
  846A REF01 OW Service Order Number Use when modifying a Customer Order Acceptance Record (COAR) 1. Only use when modifying a COAR, this is the ‘FROM’ COAR. The ‘TO’ COAR uses qualifier ‘CO’. 2. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/30
  846A REF01 PH Priority Rating Identifies the urgency associated with a reclassification action Use for reclassification request transactions to identify the urgency associated with the reclassification action. Cite one of the following codes in REF02: 1-High priority 2-Normal priority 3-Low priority 1/1
  846A REF01 SI Shipper's Identifying Number for Shipment (SID) Use to identify the vendor's shipment number shown on the shipping documentation Use for reclassification request transactions only to identify the vendor assigned shipment number (e.g., to distinguish between multiple shipments for a single CLIN) for a previously reported procurement receipt that has been suspended, if applicable. 1/22
  846A REF01 SQ Container Sequence Number Use to identify the original (‘FROM’) Disposition Services Container ID Number This is used to represent the DLMS data element for the original (‘FROM’) Disposition Services Container ID Number. Use only when modifying the Disposition Services Container ID number. The ‘TO’ Disposition Services Container ID Number, when applicable, uses qualifier ‘98’. Use only with BIA06 Action Code 2 or E. Authorized for use by DLA Disposition Services only. Refer to ADC 413. 1/30
  846A REF01 T9 Documentation Affected Number Use when modifying the protection document number (document number under which materiel is protected, includes requisition alert document number and Navy funded document number) 1. Only use when modifying the protection document number (document number under which materiel is protected, includes requisition alert document number and Navy funded document number). This is the ‘FROM’ number. The ‘TO’ number uses qualifier ‘18’. 2. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/30
  846A 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. For asset reclassification associated with SCC changes, for suspected items in a non-suspended condition, cite the Inventory Control Point (ICP) assigned document number controlling the reclassification action. 2. For asset reclassification associated with DLA industrial activity support agreement, this is the controlling document number for the Asset Reclassification Request/Response/Denial transactions. Refer to ADC 376. 3. For DLA Disposition Services use for Disposition Services Container ID number change, this is the controlling document number generated by the DLA Disposition Services Field Office (DSS). Refer to ADC 413. 14/14
  846A REF02
  846A REF03
  846A REF04
  846A REF04-01 W1 Disposal Turn-In Document Number Transaction number under which material was shipped to a DLA Disposition Services Field Office The DTID number is a unique number used to identify property turned into a DLA Disposition Service Field office. Use in conjunction with the controlling document number for the transaction cited at REF01-02 code TN. Authorized for intra-DLA use for Disposition Services Container ID change. Refer to ADC 413.
  846A 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 Use in to identify the suffix code associated with REF01 code 18, F8, or T9, or TN. 1/1
  846A REF04-02
  846A PER01 IC Information Contact Use in the first repetition to identify the primary POC and their primary communication number Use to identify the point of contact. 1/60
  846A PER02
  846A PER03 AU Defense Switched Network Use to provide the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD elements, their supporting activities engaged in logistics, personnel, engineering, and intelligence, as well as other federal agencies Use to identify the DSN telephone number. 7/7
  846A PER03 EM Electronic Mail Use to identify an internet address for distributing messages by electronic means to a person or group formatted as [identifier]@[email server internet domain name] 1/256
  846A PER03 EX Telephone Extension Use to identify a telephone extension Use immediately following codes AU, IT or TE to identify a telephone extension. 1/60
  846A PER03 FX Facsimile The facsimile (FAX) telephone number 10/10
  846A PER03 IT International Telephone A number assigned to a particular telephone for making connections to it Include country and city code. 1/60
  846A PER03 TE Telephone The commercial telephone number Include the area code and number Use to identify the commercial telephone number. Include the area code and number. 10/10
  846A PER04
  846A PER05 AU Defense Switched Network Use to provide the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD elements, their supporting activities engaged in logistics, personnel, engineering, and intelligence, as well as other federal agencies Use to identify the DSN telephone number. 7/7
  846A PER05 EM Electronic Mail Use to identify an internet address for distributing messages by electronic means to a person or group formatted as [identifier]@[email server internet domain name] 1/256
  846A PER05 EX Telephone Extension Use to identify a telephone extension Use immediately following codes AU, IT or TE to identify a telephone extension. 1/60
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