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
  842SR N103 M4 Department of Defense Routing Identifier Code (RIC) Use to serve multiple purposes; supply source codes, inter-system routing codes, intra-system routing codes, and consignor (shipper) codes 3/3
  842SR N104
  842SR N106 FR Message From Use to identify the party originating the transaction set Use to indicate the organization cited above is originating the transaction set. 1/60
  842SR N106 PK Party to Receive Copy An organization to be provided an informational copy of a transaction 1. Use to send an information copy if the materiel manager is different than the materiel owner. 2. Refer to ADC 1045. 1/60
  842SR N106 TO Message To Use to identify the party to receive the transaction set Use to indicate the organization cited above is receiving the transaction set. 1/60
  842SR PER01 A4 Owner Representative Use to identify the materiel owner POC Use on the materiel owner reply (with N101 = HA (or Z4 pending implementation of ADC 1045) to identify the materiel owner POC. 1/60
  842SR PER01 IC Information Contact Use in the first repetition to identify the primary POC and their primary communication number Use on the storage activity status update or completion notice (with N101=SB). 1/60
  842SR PER01 MG Manager 1. Use with N101=KA. 2. Refer to ADC 1045.
  842SR PER02
  842SR 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 7/7
  842SR PER03 TE Telephone The commercial telephone number Include the area code and number 10/10
  842SR PER04
  842SR 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 7/7
  842SR 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
  842SR PER05 FX Facsimile The facsimile (FAX) telephone number 10/10
  842SR PER05 WF Work Facsimile Number Use to identify the Defense Switched Network (DSN) Facsimile number Use to identify the DSN FAX number. 1/256
  842SR PER06
  842SR PER07 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 7/7
  842SR PER07 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
  842SR PER07 FX Facsimile The facsimile (FAX) telephone number 10/10
  842SR PER07 TE Telephone The commercial telephone number Include the area code and number 10/10
  842SR PER07 WF Work Facsimile Number Use to identify the Defense Switched Network (DSN) Facsimile number Use to identify the DSN FAX number. 1/256
  842SR PER08
  842SR PER09
  842SR HL01
  842SR HL03 I Item Use to identify IUID data consistent with IUID data requirements. The IUID data is carried in the REF and N1 segments contained within the NCD loop. No other segments are used in the IUID loop. Use a separate IUID loop for each item. Skip this level when not applicable. This is a future enhancement provided to address IUID requirements.
  842SR HL03 RB Response Use to indicate reply to SQCR.
  842SR LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  842SR LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production 1/48
  842SR LIN02 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 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
  842SR LIN03
  842SR LIN04 CN Commodity Name Name or description of material item Use to indicate Nomenclature. 1/48
  842SR 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. 13/13
  842SR LIN04 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production Use when the primary materiel identification is provided by NSN or LSN. 1/48
  842SR LIN04 MN Model Number Use as a second level identifier assigned by a manufacturer which identifies one of several types of a basic equipment 15/15
  842SR LIN04 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. 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
  842SR 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 5/5
  842SR LIN05
  842SR LIN06 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production Use when the primary materiel identification is provided by NSN or LSN. 1/48
  842SR LIN06 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 5/5
  842SR LIN07
  842SR LIN08 CN Commodity Name Name or description of material item 1/48
  842SR LIN08 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 5/5
  842SR LIN09
  842SR LIN10
  842SR LIN11
  842SR DTM01 947 Preparation Use to identify the date the Product Quality Deficiency Reporting (PQDR)/Supply Discrepancy Reporting (SDR)/Storage Quality Control Report (SQCR) was completed by the originator and submitted to the Screening Point 1. Use for SQCR Reply, Status Update, or Completion Notice. 2. Refer to ADC 1045. 8/8
  842SR DTM02
  842SR REF01 86 Operation Number Use to identify the Key Operation (KO) Number associated with the JO 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. 1/50
  842SR REF01 8V Credit Reference Use to provide the original billed document number when requesting credit for non-manager owned suspended stock 1. Use with Reply Code 524 to provide the original billed document number when requesting credit for non-manager owned suspended stock. Use multiple repetitions as needed. 2. If the original billed document number is not available, a constructed document number must be provided. Refer to ADC 1084. 1/50
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