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
  943A N901 BO Bin Location Number Use to provide the warehouse storage location identifying the physical location of the materiel 1. Use to provide the warehouse storage location identifying the physical location of the materiel as reflected on the DSS record subsequent to requested action, i.e., stow location. 2. If stowed materiel must be split between locations (e.g. due to size or weight), repeat this segment to identify up to six location. 3. For the Warehouse Storage Location Update transaction, this is the finite location. For RIP this will be the alternate property location data structured as “APLD” plus the location DoDAAC (when available). Additionally, the warehouse location for RIP property will contain up to six characters after the DoDAAC further identifying the physical location of the item.
  943A N901 JR Property Component Location Use to identify the Property Area Code stored within associated warehouse location (N901 Code BO) at the DLA Disposition Services Field Office (e.g., DEMIL required, general property, controlled item, etc.). DLA Disposition Services has a predefined list of Property Area Codes that are determined for a given location for the type of property allowed to be stored there. This code is internal and maintained within DLA Disposition Services training manuals and help screens.
  943A N901 NS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  943A N901 Q5 Property Control Number Use to identify Materiel Control Tracking (MCT) Tag Number applicable to the document number.
  943A N901 S6 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 provided by DLA 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.
  943A 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 1. Must use to identify the transaction document number of the funded requisition or materiel release order (MRO). 2. Use for staging requests where a requisition alert, funded requisition, or MRO document number does not apply. 3. DLA Disposition Services Field Office uses with Warehouse Storage Location Update transaction (Transaction Type Code 01) to identify the disposal turn-in document number.
  943A N901 AAE Previous Distributor Number Use to provide the warehouse storage location identifying the physical location of the materiel as it was reflected on the DSS record prior to requested action, i.e., pick location. Not applicable to Warehouse Storage Location Update transaction.
  943A N901 EVI Event Identification 1. Event identification may be used to further delineate the type of action applicable to the storage activity. When used, cite the applicable code in N902. 2. Event identification may differ by document number if multiple document numbers are included. M - Ownership transfer/warehousing action in response to MCMC request D - Depot-initiated ownership transfer/warehousing action associated with discrepant/deficient MCMC materiel R - Depot-initiated warehousing action associated with receipt of MCMC materiel
  943A N901 PWC Preliminary Work Candidate Number Use to identify Requisition Alert Document Number.
  943A N902
  943A N907
  943A N907-01 S6 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.
  943A 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 1. Use with the document number when applicable to identify the document number suffix. 2. Use with the requisition alert document number when applicable to identify the requisition alert document number suffix. 3. Use in conjunction with the document number when applicable to identify the disposal turn-in document number suffix.
  943A N907-02
  943A N907-03 ACC Status 1. Use with the associated document number for staging and picklist services to indicate the status of the individual document number. 2. Cite “Y” (yes) if action is complete. Cite “N” (no) if action is not complete. (Warehouse Action Certification/Status Code = Y or N)
  943A N907-04
  943A N907-05
  943A N907-06
  943A W0301
  943A SE01
  943A SE02
  945A ST01 945 Warehouse Shipping Advice
  945A ST02
  945A ST03
  945A W0601 J Original Transaction
  945A W0601 K Simulation Exercise Activities initiating simulated mobilization exercises must ensure complete coordination with all activities involved. All transaction recipients must use caution to ensure that transactions do not process as action documents which affect accountable records.
  945A W0601 Z Mutually Defined 1. Use to identify the Unit of Use Indicator. When included, the quantity and unit of measure values associated with this transaction are applicable to the unit of use. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 3. Authorized DLMS enhancement for DLA Disposition Services. Refer to ADC 449. 4. Approved for use in X12 version 6050.
  945A W0602
  945A W0610 13 Shipping Location Handling 1. Required in conjunction with W0602 = RR to indicate the updated MRC corrects erroneous content data (e.g., transportation data, pRFID data). Refer to ADC 411. 2. DLMS enhancement; see introductory DLMS Note 2e.
  945A W0611 56 Denied Request Use this code to indicate denial on a cargo release order. This is a borrowed code. Used in combination with W1201/UR. This is not a balance affecting transaction type. There is no legacy MILS equivalent
  945A W0611 AZ Disposal Shipment Confirmation The shipping activity may use to provide confirmation of a disposal shipment to the DRMS. (This corresponds to the MILSTRIP Document Identifier Code (DIC) ASZ.)
  945A W0611 CJ Confirmation Use this code to indicate Cargo Release Confirmation. Used in combination with W1201/UR. This is not a balance affecting transaction type. There is no legacy MILS equivalent.
  945A W0611 DS Disposition Use to provide LRO advice under TAV procedures. Use with 2/N901/40 Code 87 to identify LRO for consumable or reparable materiel. (This corresponds to MILSTRIP DIC AE6 with Distribution Code 2 or 3.)
  945A W0611 NJ Material Release Confirmation 1. Use to provide confirmation on a materiel release order. (This corresponds to MILSTRIP DIC ARA, ARB, AR0, AUA, AUB, or AU0.) 2. Use to identify Redistribution Order Shipment Confirmation. This transaction provides shipment details from an internal AF storage location or an AF base retail activity to the AF ICP (Equates to DIC BL0). Authorized DLMS migration enhancement in support of ECSS. Refer to ADC 405.
  945A W0611 NK Material Release Denial 1. Use to provide denial (warehouse refusal) information on a materiel release order. (This corresponds to MILSTRIP DIC A6_, except A6J) 2. Use to identify RDO Shipment Denial. This transaction provides shipment denial response from an internal AF storage location or an AF base retail activity to the AF ICP (Equates to DIC B7A). Authorized DLMS migration enhancement in support of ECSS. Refer to ADC 405.
  945A W0611 NL Material Release Advice 1. Use to provide supply status on a materiel release order. (This corresponds to MILSTRIP DIC AE6.) 2. For supply status on a materiel release order by a transportation system to a retail supply system regarding multi-packs or assemblages (e.g., medical), status will be done at the lead document number (for multi-packs) and Assemblage Identification Number, AIN, (for assemblies). For single line materiel release orders, the status will be at the document number level. DLMS enhancement; see introductory DLMS note 4e.
  945A W0611 NM Disposal Release Confirmation Use to provide confirmation on a disposal release order. (This corresponds to MILSTRIP DIC ARJ, ARK, or ARL)
  945A W0611 NO Notice Use to identify a self-initiated supply status message provided by transportation to report cargo processing status (reply, in-check, or hold) prior to materiel release confirmation. This is not to be used for standard supply status messages in response to Cargo Release follow-up requests.
  945A W0611 NP Disposal Release Denial Use to provide denial (warehouse refusal) information on a disposal release order. (This corresponds to MILSTRIP DIC A6J)
  945A W0611 NQ Disposal Release Advice 1. Use to provide supply status to the ICP on a disposal release order (This corresponds to MILSTRIP DIC AEJ.) 2. For supply status on a disposal release order by a transportation system to a retail supply system regarding multi-packs or assemblages (e.g., medical), status will be done at the lead document number (for multi-packs) and Assemblage Identification Number (for assemblies). For single line disposal release orders, the status will be at the document number level. DLMS enhancement; see introductory DLMS note 4e.
  945A W0611 NR Material Release Cancellation Advice 1. Use to provide status taken on a request to cancel a materiel release order. (This corresponds to MILSTRIP DIC AG6). 2. For DLA Disposition Services, cancellation advice may be provided with no prior Materiel Release Cancellation (940R).
  945A W0611 NT Disposal Release Cancellation Advice Use to provide status taken on a request to cancel a disposal release order. (This corresponds to MILSTRIP DIC AGJ)
  945A W0612 A6 Modified Use to identify a correction or update to the original Cargo Release Order.
  945A W0612 FI File 1. Use to identify an image transaction provided for information. 2. Authorized for Air Force and DSS use with PIC NWRM UIT, and the message supports the Retail Transportation and Supply Receipt and Acknowledgement Interchange (See DLM 4000.25, Volume 3, Chapter 2). Use with W0611 Code NJ, NK, and Code NM to identify a materiel or disposal release confirmation and materiel release denial image transactions where the original transaction has bypassed the normal DAAS transaction flow. All transaction set recipients must use extreme caution to ensure that individual transactions with this code do not process as action documents which affect accountable records. Must use with 2/N101/0800 code KK and 2/N106/0800 code PK. There will be no 2/N106/0800 code TO for this transaction. Refer to ADC 347. 3. Authorized to be used in association with intra-Army transaction processing to identify an internal Materiel Release Advice image. Refer to ADC 1020.
  945A W0612 W1 Reconcile Historical Records Use only with W0611 codes NJ, NK, NM, NP, NR, and NT to indicate the submission of historical information on previously reported transactions. Authorized DLMS enhancement; see DLMS Introductory Note 4e.
  945A N101 DA Delivery Address Use to identify the in-the-clear exception ship-to address organization name 1. Use to identify the in-the-clear exception ship-to address organization name when providing detailed address lines. Use with 1/N2/0500, 1/N3/0600, and 1/N4/0700. 2. When detailed address lines are provided, do not repeat this entry at 2/N101/0800 Code DA. 3. DLMS enhancement (requires prior coordination with the recipient); refer to ADC 1290.
  945A N101 GP Gateway Provider Future streamlined data needed for transition period to support transaction conversion in a mixed legacy MILSTRIP-DLMS environment. Use to identify DAAS as originator during conversion when the MILSTRIP transaction does not contain a "From" organization.
  945A N101 LG Location of Goods Use for LRO advice to identify the alternative supply source originating the transaction set.
  945A N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the activity originating the transaction. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224.
  945A N101 WL Wholesaler Use to indicate Primary Inventory Control Activity (PICA) Use for lateral redistribution of non-Integrated Materiel Manager (IMM) or Primary Inventory Control Activity (PICA) owned materiel, to identify the materiel owner originating the transaction set under single stock fund concept.
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