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
  812L LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  812L 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 Use when a part number is not available and materiel can only be ordered by description (e.g., non-NSN lumber products). 4/4
  812L LIN02 GS General Specification Number Use to identify a specification number, other than a Military Specification (MILSPEC), associated with the nonstandard materiel Use to identify a specification number, other than a Military Specification (MILSPEC), associated with the nonstandard materiel. 1/48
  812L LIN02 MF Manufacturer Use to identify the manufacturer's make assigned by an individual, firm, company or corporation engaged in the fabrication of finished or semi-finished products for end items of nonstandard materiel Use to identify the manufacturer's make of the applicable end item for the nonstandard materiel. 1/48
  812L 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. 3. During the DLSS/DLMS transition, this field will be used to perpetuate/populate the MILS stock number field. During this time, field size is restricted to 15 positions; field size is expanded to 32 positions for DoD FedMall/part-numbered catalog orders. 1/48
  812L LIN02 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
  812L LIN02 MS Military Specification (MILSPEC) Number use to indicate a clear, accurate description of the technical requirements for items, material or services, including the procedures by which it will be determined that the requirements have been met 1/10
  812L LIN02 PR Process Number Use to identify a general operating specification which cannot be identified by other measurement calculations; e.g., physical size and dimensions of non-standard material Use to identify a general operating specification identified in the requisition such as output rated wattage and horsepower. 1/48
  812L LIN02 PT Print or Drawing An identifying number assigned to each print or drawing of an item of production Use to identify the applicable drawing numbers for the nonstandard materiel. 1/48
  812L LIN02 PW Part Drawing Use to identify the applicable figure numbers for the nonstandard material Use to identify the applicable figure numbers for the nonstandard materiel. 1/48
  812L LIN02 SF Surface Finish Use to identify the finish of the nonstandard materiel ordered under Federal Supply Schedule Use to identify the finish of the nonstandard materiel ordered under Federal Supply Schedule. 1/48
  812L LIN02 SN Serial Number A value assigned for identification of an item 1/50
  812L LIN02 VN Vendor's (Seller's) Item Number Use to indicate a item number assigned by a contractor other than a manufacturer 1/48
  812L LIN02 YP Publication Number Reference number assigned to a publication or catalog Use to identify publications or catalogs. 1/48
  812L LIN02 ZZ Mutually Defined
  812L LIN03
  812L LIN04 CN Commodity Name Name or description of material item Use only with code FT to identify the materiel name or description. 1/48
  812L 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 only with 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
  812L LIN05
  812L LIN06
  812L LIN07
  812L LIN08
  812L LIN09
  812L LIN10
  812L LIN11
  812L LIN12
  812L LIN13
  812L LIN14
  812L LIN15
  812L LIN16
  812L LIN17
  812L LIN18
  812L LIN19
  812L LIN20
  812L LIN21
  812L LIN22
  812L LIN23
  812L LIN24
  812L LIN25
  812L LIN26
  812L LIN27
  812L LIN28
  812L LIN29
  812L LIN30
  812L LIN31
  812L N901 3H Case Number Use to identify the sending system assigned number i.e. DLA Case Control Number, Action Point Control Number, etc. DLMS enhancement; see introductory DLMS note 4a. 1/50
  812L N901 AN Associated Purchase Orders Use for cross-reference to the customer’s internal Purchase Order (PO) Number or other internal reference number Use to identify the customer’s internal Purchase Order (PO) Number. The PO Number will cross-reference to the requisition document number (one PO Number per document number). Perpetuate value if provided in adjustment request. Authorized for DLA interface with the Exchange, NEXCOM, MCX, and non-DoD customers as required. See Addendum to ADC 473B. 1/30
  812L N901 C9 Previous Credit/Debit Adjustment Number Use to identify the adjustment bill number Use to identify the adjustment bill number (i.e. Billing Status Code = AI or DD). 1/30
  812L N901 OI Original Invoice Number Use to identify the original bill involved in the adjustment request due to a duplicate billing 1. Use to identify the original bill involved in the adjustment request due to a duplicate billing. 2. The bill identified by the requester as a duplicate is cited in 1/BCD07/020. 1/30
  812L N901 TG Transportation Control Number (TCN) A 17-position alphanumeric assigned to control and manage every shipment unit throughout the transportation pipeline DLMS enhancement; see introductory DLMS note 4a. 17/17
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