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
  812R LIN02 YP Publication Number Reference number assigned to a publication or catalog Use to identify publications or catalogs. 1/48
  812R LIN02 ZZ Mutually Defined Use to where there is no suitable X12 code in the data element. 1/1
  812R LIN03 N/A
  812R LIN04 CN Commodity Name Name or description of material item Use to identify the nomenclature of the nonstandard materiel. 1/48
  812R 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
  812R LIN05 N/A
  812R LIN06 N/A
  812R LIN07 N/A
  812R LIN08 N/A
  812R LIN09 N/A
  812R LIN10 N/A
  812R LIN11 N/A
  812R LIN12 N/A
  812R LIN13 N/A
  812R LIN14 N/A
  812R LIN15 N/A
  812R LIN16 N/A
  812R LIN17 N/A
  812R LIN18 N/A
  812R LIN19 N/A
  812R LIN20 N/A
  812R LIN21 N/A
  812R LIN22 N/A
  812R LIN23 N/A
  812R LIN24 N/A
  812R LIN25 N/A
  812R LIN26 N/A
  812R LIN27 N/A
  812R LIN28 N/A
  812R LIN29 N/A
  812R LIN30 N/A
  812R LIN31 N/A
  812R 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 5a. 1/50
  812R 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). When submitted, this value will be perpetuated to subsequent transactions. Authorized for DLA interface with the Exchange, NEXCOM, MCX, and non-DoD customers as required. See Addendum to ADC 473B. 1/30
  812R N901 OI Original Invoice Number Use to identify the original bill involved in the adjustment request due to a duplicate billing Use when a billing adjustment request is due to a duplicate billing (i.e. Billing Advice Code = 11, 43 or 44) to identify the original bill involved in the adjustment request. The duplicate bill is cited in 1/BCD07/020. 1/30
  812R 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 5a. 17/17
  812R 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 associated with the billing adjustment request. For bills in response to requisitions, this must be the requisition document number. See Addendum to ADC 473B. 14/14
  812R N902 N/A
  812R N903 N/A
  812R N907 N/A
  812R N907-01 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 conjunction with code TN (N901) to identify the suffix of the transaction reference number. 1/1
  812R N907-02 N/A
  812R N907-03 FJ Line Item Control Number Use to identify the line item number associated with the MIPR/Project Order Number 1. Use with N901 code 3H to identify the excess plant property reference number. 2. DLMS enhancement applicable to PCARSS requisitioning; see introductory DLMS note 5a. 1/30
  812R N907-04 N/A
  812R N907-05 N/A
  812R N907-06 N/A
  812R DTM01 050 Received Use to indicate the materiel receipt date 8/8
  812R DTM01 166 Message Use to indicate the Supply Discrepancy Report (SDR) reply date 1. Use to indicate the Supply Discrepancy Report (SDR) reply date. 2. DLMS enhancement; see introductory DLMS note 5a. 8/8
  812R DTM01 168 Release The date materiel was released DLMS enhancement; see introductory DLMS note 5a. 8/8
  812R DTM01 177 Cancellation Use to indicate the requested or confirmed cancellation date 8/8
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