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 REFSorted by descending CODE X12 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE
  650A YNQ02
  856N YNQ02 N No
  856N YNQ02 Y Yes
  650A YNQ01 ZZ Mutually Defined Use in Component Data (C2D) loops to identify the Inspection Required Indicator for medical/surgical component assembly. A data maintenance action was approved in version 5030. The approved code/name is "CAI – Component Assembly Inspection Required".
  856N YNQ01 C8 Special Servicing Required Use to indicate if the shipment contains explosives.
  856N YNQ01 QQ Item is a Hazardous Item Use to indicate if the shipment contains hazardous materials.
  945A W2706
  943A W2703
  945A W2702
  943A W2701 ZZ Mutually defined Use 'ZZ’ to satisfy X12 syntax requirements.
  945A W2701
  947I W1916 AD Inventory Adjustment - Decrease Use to indicate an inventory adjustment decrease transaction. (MILSTRAP legacy DIC D9_ functionality)
  947I W1916 AJ Inventory Adjustments Use to identify a loss from shrinkage, theft contamination, deterioration, and/or expired shelf life, single adjustment Use to indicate an inventory adjustment increase transaction. (MILSTRAP legacy DIC D8_ functionality)
  947I W1916 DU Inventory Adjustment - Dual Use with W1901 Codes AC, AD, AG, AM and AQ to indicate a dual inventory adjustment transaction, (e.g., both an inventory decrease and increase). Use requires that W1902 quantity be expressed as a positive number. W1901 Codes AC, AD, and AG correspond respectively to the following MILSTRAP legacy DIC functionality: DAC, DAD, DAS. There is no corresponding legacy DIC functionality for codes AM and AQ.
  947I W1908
  947I W1907 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 unit of use Local Stock Number (LSN) is identified as the primary materiel identification in W1905. Authorized DLMS enhancement under DLA industrial activity support agreement.
  947I W1907 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. 3. DLA Disposition Services uses with receipt and historical receipt transactions, for confiscated or captured foreign weapons, to identify the disposition LSN in addition to the SA/LW MCN cited in LIN02/LIN03 by qualifier ZZ. Authorized DLMS enhancement for DLA Disposition Services. DLA Disposition Services requires the disposition LSN for internal DLA processing only. Refer to ADC 1019.
  947I W1907 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 W1905 code MG to uniquely identify a manufacturer's part number.
  947I W1906
  947I W1905 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; see introductory DLMS note 4a.
  947I W1905 A3 Locally Assigned Control Number 1. Defense Medical Logistics Standard Support (DMLSS)/Theater Enterprise-Wide Logistics System (TEWLS) use to cite their Local Catalog Identification which can reference multiple prime vendor part numbers for a specific site. 2. DLMS enhancement; see introductory DLMS note 4a.
  947I W1905 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item
  947I W1905 FB Form Number 1. Use to identify the form stock number. 2. DLMS enhancement; see introductory DLMS note 4a.
  947I W1905 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  947I W1905 MG Manufacturer's Part Number Use to identify nonstandard materiel.
  947I W1905 NN National Item Identification Number 1. Use only for CAV when the NSN (FSC plus NIIN) is not available. Refer to ADC 343. 2. 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.
  947I W1905 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. For inventory adjustments resulting from converting an NSN or LSN to a unit of use LSN, the unit of use LSN is cited at W1905-06 for the inventory adjustment gain transaction. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 3. For inventory adjustments resulting from converting an LSN to a unit of use LSN, the unit of use LSN is cited at W1905-06 for the inventory adjustment gain transaction. Conversion from an LSN to a unit-of-use LSN is only authorized under DLA industrial activity support agreement with Marine Corps. Refer to ADC 398. 4. When used for a unit of use LSN applicable to NSN materiel, the applicable NSN will be included for cross-reference. 5. 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. Refer to Approved Addendum 381A.
  947I W1905 YP Publication Number Reference number assigned to a publication or catalog 1. Use to identify the publication stock number. 2. DLMS enhancement; see introductory DLMS note 4a.
  947I W1905 ZR Service Control Identification Use to identify Material Control Tracking (MCT) tag number. The MCT tag number is an authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 376.
  947I W1905 ZZ Mutually Defined 1. 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. 2. Use for the management control number (MCN) when provided. This includes the MCN assigned by the DoD small arms/light weapons (SA/LW) Registry for the DoD SA/LW Serialization Program, IAW DLM 4000.25, DLMS, Volume 2.
  947I W1903
  947I W1902
  947I W1901 AA Physical Count 1. Inventory Adjustment (Physical Inventory). Gain or loss disclosed as a result of physical count of stock, single adjustment (DIC D8A or D9A functionality). The use of reason code AA for an inventory adjustment gain combined with a quantity of 0 (zero) indicates that a physical inventory has taken place, and no record adjustment was necessary. 2. For Capital Equipment and UIT Programs, identify all serial numbers corresponding to the NSN, Condition Code, and Owner from the initial physical inventory request when using in combination with quantity of 0 (zero). The use of reason code AA in combination with zero quantity indicates to the owner the completion of the inventory. See ADC 1244.
  947I W1901 AB Accounting Error A gain or loss resulting from clerical or automated information system errors which are not subject to correction by reversal of original transaction, single adjustment Inventory Adjustment (Accounting Error). Gain or loss resulting from clerical or automated information system errors which are not subject to correction by reversal of original transaction, single adjustment. DIC D8B or D9B functionality)
  947I W1901 AC Condition Change Inventory Adjustment (Supply Condition) to identify a gain, loss or dual adjustment resulting from supply condition code transfer Inventory Adjustment (Supply Condition). Gain, loss or dual adjustment resulting from supply condition code transfer. (DIC D8C or D9C or DAC functionality)
  947I W1901 AD Purpose Change Inventory Adjustment (Purpose). Gain, loss or dual adjustment resulting from purpose transfer. (DIC D8D or D9D or DAD functionality)
  947I W1901 AE Reidentification Inventory Adjustment (Reidentification). Gain resulting from inspection of an item in stock which has been misidentified, single adjustment. (DIC D8J or D9J functionality)
  947I W1901 AF Stock Number Change Use to report a gain or loss resulting from stock number change Inventory Adjustment (Stock Number Change). Gain or loss resulting from stock number change. Excludes change of unit price only. (DIC D8K or D9K functionality)
  947I W1901 AG Ownership Change Inventory Adjustment (Ownership). Three Uses: (1) Report gain, loss, or dual adjustment resulting from ownership transfer (ship-in-place). Refer to ADC 1395. (2) Use for Single Manager for Conventional Ammunition (SCMA): gain, loss, or dual adjustment resulting from ownership transfer by the SMCA (legacy DIC D8S or D9S or DAS functionality; use of these legacy DICs is restricted to users of the conventional ammunition system). (3) For DLA industrial activity support agreement with Marine Corps only, identifies a gain or loss resulting from ownership change associated with re-warehousing. This ownership change can be requested by the Marine Corps or can occur as a result of materiel identified as discrepant upon receipt. There is no corresponding legacy DIC for this use, so D8Z/D9Z may be used to satisfy a DIC requirement in a mixed DLMS/DLSS environment when a legacy DIC is needed. Refer to ADC 402.
  947I W1901 AH Other Inventory Adjustment (Other). Gain or loss for which a specific code is not otherwise provided. (Assignor of code will maintain detailed intelligence pertaining to its use and, as required, will furnish these data.) (DIC D8Z or D9Z functionality)
  947I W1901 AI Disaster Inventory Adjustment Decrease (Disaster) Loss from major disasters, fire loss, enemy action, act of God, or similar circumstance, single adjustment (DIC D9H functionality) Inventory Adjustment Decrease (Disaster). Loss from major disasters, fire loss, enemy action, act of God, or similar circumstance, single adjustment. (DIC D9H functionality)
  947I W1901 AJ Survey Use to identify a loss from shrinkage, theft contamination, deterioration, and/or expired shelf life, single adjustment Inventory Adjustment Decrease (Survey Process). Loss from shrinkage, theft contamination, deterioration, and/or expired shelf life, single adjustment. (DIC D9G functionality)
  947I W1901 AK Transfer Inventory Adjustment (Logistics Transfer) Gain or loss of item management responsibility as a result of logistics transfer Inventory Adjustment (Logistics Transfer). Gain or loss of item management responsibility as a result of logistics transfer. (DIC D8E or D9E functionality)
  947I W1901 AL Capitalization Inventory Adjustment (Capitalization) used to indicate a gain to, or loss from, a stock fund or stock fund division at time of activation or subsequent extension/ expansion, as result of capitalization Inventory Adjustment (Capitalization). Gain to, or loss from, a stock fund or stock fund division at time of activation or subsequent extension/ expansion, as result of capitalization. (DIC D8F or D9F functionality)
  947I W1901 AM Missing Unique Item Identifier (UII)/Serial Number Inventory Adjustment (UII and/or serial number missing). Gain, loss or dual adjustment resulting solely from UII and/or serial number missing.
  947I W1901 AN Unit of Issue Change Use to identify a gain or loss resulting from unit of issue changes Inventory Adjustment (Unit of Issue Changes). Gain or loss resulting from unit of issue changes. Excludes change of unit price only. (DIC D8K or D9K functionality)
  947I W1901 AP Product/Formula Evaluation and Testing Inventory Adjustment Decrease (Destructive Test). Loss from destructive test, single adjustment. Authorized DLMS enhancement for DLA industrial activity support agreement only; see introductory DLMS note 4e. Refer to ADC 378.
  947I W1901 AQ Unique Item Identifier/Serial Number Mismatch Use to identify a gain, loss or dual adjustment resulting solely from Unique Item Identifier (UII) and/or serial number mismatch Inventory Adjustment (UII and/or serial number mismatch). Gain, loss or dual adjustment resulting solely from UII and/or serial number mismatch.
  947I W1901 BA Operating Variance
  947I W1901 BR Regrade Inventory Adjustment Decrease (Upgrade from Scrap). Loss resulting from the DLA Disposition Services process, authorized by DoD 4160.21-M, to upgrade materiel from scrap subsequent to the initial receipt of materiel. Single adjustment. There is no corresponding MILSTRAP legacy DIC function. Authorized DLMS enhancement for DLA Disposition Services only. Refer to ADC 1017.
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