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
  527D G6103 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
  527D G6103 EX Telephone Extension Use to identify a telephone extension Use immediately following codes AU, IT, or TE to identify a telephone extension. 1/60
  527D G6103 FX Facsimile The facsimile (FAX) telephone number 10/10
  527D G6103 IT International Telephone A number assigned to a particular telephone for making connections to it Include the country and city code. 1/60
  527D G6103 TE Telephone The commercial telephone number Include the area code and number 10/10
  527D G6104
  527D G6105
  527D LIN01
  527D LIN02 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. 4/4
  527D LIN02 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item 15/15
  527D LIN02 F4 Series Identifier Use to identify the manufacturer's series number of the applicable end item 1. Use to identify the manufacturer's series number of the end item. 2. DLMS enhancement. See introductory DLMS note 4a. 1/48
  527D LIN02 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. 1/30
  527D LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification Must use for delinquent due-in inquiry and advice transactions, for due-in reconciliation inquiry and advice transactions, and whenever the LIN01 code value is T. 13/13
  527D LIN02 FT Federal Supply Classification A code which identifies 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 1. 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). 2. DLMS enhancement. See introductory DLMS note 4a. 4/4
  527D LIN02 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. 1/48
  527D LIN02 MN Model Number Use as a second level identifier assigned by a manufacturer which identifies one of several types of a basic equipment 1. Use to identify the manufacturer's model number of the end item. 2. DLMS enhancement. See introductory DLMS note 4a. 15/15
  527D LIN02 NN 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. 2. Qualifier NN is a migration code 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
  527D LIN02 SN Serial Number A value assigned for identification of an item 1. Use to identify the manufacturer's serial number of the end item. 2. DLMS enhancement. See introductory DLMS note 4a. 1/50
  527D 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, the applicable NSN will be included for cross-reference. May also be used for identification of LSNs assigned for part-numbered items. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 13/13
  527D LIN02 YP Publication Number Reference number assigned to a publication or catalog 1. Use to identify the publication stock number. 2. DLMS enhancement. 1/48
  527D LIN02 ZR Service Control Identification Use to identify Material Control Tracking (MCT) tag number which is an identification number applicable to items in courtesy storage (e.g. ripout, prefab) on behalf of the navy while specific maintenance is being performed Use to identify Materiel Control Tracking (MCT) tag number. The MCT tag number is authorized for DLA industrial activity support agreement only. Refer to ADC 373. 1/48
  527D 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.
  527D LIN03
  527D LIN04 CN Commodity Name Name or description of material item Use only with LIN02 code FT to identify the materiel name or description. 1/48
  527D 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
  527D LIN04 N4 National Drug Code in 5-4-2 Format The 10-digit NDC will be in one of the following configurations: 4-4-2, 5-3-2, or 5-4-1, meaning that there are 4 or 5 digits for the labeler code, 4 or 3 digits for the product code and 2 or 1 digit(s) for the package code 1. Use only with LIN01 code "U" to identify the National Drug Code. NSN must be identified in LIN02/03. 2. DLMS Component-unique enhancement. See introductory DLMS note 4e. 10/10
  527D LIN04 VC Vendor's (Seller's) Catalog Number Use to indicate a catalog number assigned by a contractor other than a manufacturer 1. Use only with LIN01 code "U" to identify the Prime Vendor Catalog Number. NSN must be identified in LIN02/03. 2. DLMS Component-unique enhancement. See introductory DLMS note 4e. 1/48
  527D LIN04 VP Vendor's (Seller's) Part Number Use to indicate a part number assigned by a contractor other than a manufacturer 1. Use only with LIN01 code "U" to identify the Prime Vendor Number. NSN must be identified in LIN02/03. 2. DLMS Component-unique enhancement. See introductory DLMS note 4e. 1/48
  527D 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 1. Use with LIN02 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
  527D LIN05
  527D CS01
  527D CS02
  527D CS03
  527D CS04 83 Extended (or Exhibit) Line Item Number (ELIN) Use to identify the Exhibit Line Item Number (ELIN), or the ELIN including the Subcontract Exhibit Line Item Number (SUBELIN) Use to identify the Exhibit Line Item Number (ELIN), or the ELIN including the Subcontract Exhibit Line Item Number (SUBELIN), as appropriate. 4/4
  527D CS04 BV Purchase Order Line Item Identifier (Buyer) An alphanumeric sequence number assigned to each line item listed in any document issued by a DOD/federal organization to purchase material or services for use within the department of defense/federal agency Use to identify the Purchase Request Line Item Number (PRLIN). 1/30
  527D CS04 C7 Contract Line Item Number A number that identifies all items of supply or services in a contract Use to identify the Contract Line Item Number (CLIN), or the CLIN including the Subcontract Line Item Number (SUBCLIN), as appropriate. 4/6
  527D CS05
  527D CS06
  527D N901 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 Use to identify the document number. 14/14
  527D N901 EVI Event Identification Use to delineate the type of action the storage activity is to take on this request 1. Use for DLA Disposition Services PMR for relocation of FMS requisitioned materiel with associated freeze action pending approval. The only applicable value for this transaction is Code F=Freeze Indicator. Refer to ADC 1156. 2. Approved for use in X12 version 4030. 1/30
  527D N901 SLI Secondary Location Identifier Use to request further segregation below line item 1. Use in combination with purpose code Z to request further segregation below line item. SLI cannot exceed 6 alpha/numeric characters. 2. A local code ‘SLI’ is established for use in the 527D, version 4010. A data maintenance action has been submitted for establishment of ‘SLI- Secondary Location Identifier’ in a future version. 1/6
  527D N902
  527D N907
  527D N907-01 W1 Disposal Turn-In Document Number Transaction number under which material was shipped to a DLA Disposition Services Field Office 1. Use to identify the Disposal Turn-In Document (DTID) Number when provided as a secondary reference number. The DTID number is used by DLA Disposition Services as a unique number to identify property that was turned into a DLA Disposition Service Field Office. The value of the DTID may be the original turn-in document number or may be a unique control number (UCN) assigned by the Field Office during receipt processing when the original DTID number is not adequate to uniquely identify the property. 2. Au thorized for DLA Disposition Services use in prepositioned materiel receipt transactions for relocation (1/BR02/20 code DE with 2/LIN01/10 code N). Use in conjunction with the controlling document number cited at 2/N901/030/TN. Refer to the Addendum to ADC 410.
  527D N907-02
  527D 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 Use in conjunction with the DTID Number (N907-01 Code W1) to identify the DTID Suffix Code, when applicable. DLMS enhancement, refer to ADC 466. 1/1
  527D N907-04
  527D RCD01
  527D RCD02
  527D RCD03
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