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
  846P N103 M4 Department of Defense Routing Identifier Code (RIC) Use to serve multiple purposes; supply source codes, inter-system routing codes, intra-system routing codes, and consignor (shipper) codes 3/3
  846P N104 N/A
  846P N106 TO Message To Use to identify the party to receive the transaction set Must use with the appropriate 2/N101/450 code to indicate the organization cited in N104 is receiving the transaction. 1/60
  846P SE01 N/A
  846P SE02 N/A
  846R ST01 846 Inventory Inquiry/Advice Distribution centers and storage activities use this transaction set to transmit location reconciliation transactions to owners and managers. Use one occurrence of this transaction set to transmit a single or multiple transactions. b. Distribution centers and storage activities use a single occurrence of this transaction set to transmit either location reconciliation request, location reconciliation notification, or location reconciliation history notification transactions to one owner/manager. This transaction encompasses the functionality of MILSTRAP Document Identifier Codes (DIC) DZH, DZN, DZP and NAVSUP P-724 BG1/BG2 serial/lot number reporting transactions. b. Distribution centers and storage activities use a single occurrence of this transaction set to transmit either location reconciliation request, location reconciliation notification, or location reconciliation history notification transactions to one owner/manager. This transaction encompasses the functionality of MILSTRAP Document Identifier Codes (DIC) DZH, DZN, DZP and N/A
  846R ST02 N/A
  846R BIA01 00 Original Indicates the initial transaction N/A
  846R BIA01 77 Simulation Exercise Use to identify a simulated mobilization exercise transaction set Activities initiating simulated mobilization exercises must ensure complete coordination with all activities involved. All transaction set recipients must use caution to ensure that transactions do not process as action documents which affect accountable records. N/A
  846R BIA01 ZZ Mutually Defined Use to where there is no suitable X12 code in the data element. 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. N/A
  846R BIA02 LC Location Inventory Report Use for audit that forces the warehouse's physical shelf counts to match the manager's master ledger, ensuring critical parts are actually there when a warfighter orders them. Use to identify a Location Reconciliation Request Transaction. From distribution center/storage activity to the owner/manger to reconcile storage activity and owner/manager records. (MILSTRAP DIC DZH functionality.) N/A
  846R BIA02 X4 Summary Report Use to identify a Location Reconciliation Notification Transaction. Distribution center/storage activity sends to owner/manager to advise of the number of Location Reconciliation Request transactions being forwarded. (MILSTRAP DIC DZN functionality.) N/A
  846R BIA02 ZZ Mutually Defined Use to where there is no suitable X12 code in the data element. Use to identify a Location Reconciliation History Notification Transaction. Distribution center/storage activity sends to owner/manager to advise of the number of transaction history transactions being forwarded. (MILSTRAP DIC DZP functionality.) An ANSI data maintenance was approved in version 5030. The approved code/name is �LN-Location Reconciliation History Notification�. N/A
  846R BIA03 N/A
  846R BIA04 N/A
  846R BIA05 N/A
  846R BIA06 AN Annual Location Reconciliation Use to identify that the transaction is associated with annual location reconciliation 1. Use to identify that the transaction identified in BIA02 is associated with annual location reconciliation. 2. Approved for use in X12 version 5030. N/A
  846R BIA06 EO End of Day Processing Use to identify that the transaction is associated with end-of-day processing 1. Use to identify that the transaction identified in BIA02 is associated with end-of-day processing. 2. Approved for use in X12 version 5030. N/A
  846R N101 KA Item Manager Use to indicate the government inventory manager Use to identify the Integrated Material Manager (IMM) for the materiel reported. 1/60
  846R N101 LG Location of Goods Use to identify the physical activity or facility where the material is currently stored, particularly when that location differs from the organization preparing the logistics transaction 1. Use to identify the physical location of GFP while in CICP custody. The location may be the CICP, the CICP�s warehouse or subcontractor. This location must be identified by DoDAAC. 2. Must use for Air Force GFP accountability. Refer to ADC 1224. 1/60
  846R N101 OW Owner of Property or Unit Use to identify the property owner, material owner or owning program manager For Air Force GFP accountability, use to identify the Air Force program manager in the accountable property system of record (APSR). Must identify the program manager by RIC. If the program manager DoDAAC does not have an assigned RIC, use the generic Air Force GFP APSR RIC with 2/N106=TO and use a second iteration of the N1 loop (repeating Code OW without 2/N106=TO) to provide the program manager DoDAAC. Refer to ADC 1224. 1/60
  846R N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Must use to identify the depot or storage activity. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
  846R N101 XN Planning/Maintenance Organization Use to identify the entity designated to carry Mission Support Material for distribution to End-Use shops and other customers 1. Used to identify a Shop Service Center/Shop Store. 2. Use in conjunction with N103 Identification Code Qualifier 92. 3. Refer to ADCs 284A, 381, and 1454 for known applications. 1/3
  846R N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations 1. DLMS enhancement; see introductory DLMS note 4a. 2. Authorized for use by Air Force CICP to identify other organizations associated with the transaction by DODAAC. 6/6
  846R N103 92 Assigned by Buyer or Buyer's Agent Use to identify the user assigned Shop Service Center/Shop Store Identifier Use with N101 Code XN to identify the user assigned Shop Service Center/Shop Store Identifier. Refer to ADCs 284A, 381, and 1454. 2/80
  846R N103 M4 Department of Defense Routing Identifier Code (RIC) Use to serve multiple purposes; supply source codes, inter-system routing codes, intra-system routing codes, and consignor (shipper) codes 3/3
  846R N104 N/A
  846R N106 FR Message From Use to identify the party originating the transaction set Must use with 1/N101/080 code SB to indicate the organization cited in N104 is originating the transaction set. 1/60
  846R N106 TO Message To Use to identify the party to receive the transaction set Must use with the 1/N101/080 codes KA or OW to indicate the organization cited in 1/N104/080 is receiving the transaction set. 1/60
  846R LM01 DF Department of Defense (DoD) Executive department of the U.S. federal government charged with coordinating and supervising the U.S. Armed Forces and related functions and agencies. N/A
  846R LQ01 0 Document Identification Code Identifies transaction specific operation to which they apply and indicates the intended purpose and use of the transaction data 1. Future Streamlined data; see introductory DLMS note 4c. 2. The DLSS DIC is retained in the DLMS to facilitate transaction conversion in a mixed DLSS/DLMS environment. Continued support of the DIC in a full DLMS environment will be assessed at a future date. 3. In a mixed DLSS-DLMS environment, when including BG1/BG2 data for Inter-Service Ammunition interface, must use 2 iterations of LQ to provide DIC DZH as well as either DIC BG1 or BG2 as applicable, to alert DAAS of BG1/ BG2 requirement for non-DLMS Ammunition system trading partners: Naval Operational L ogistics Support Center (NOLSC) Ordnance Information System-Wholesale (OIS-W), Program Manager for Ammunition, Marine Corps Systems Command (MARCORSYSCOM) Ordnance Information System-Marine Corps (OIS-M),and Warner Robins Air Logistics Complex Combat Ammunition System (CAS). 3/3
  846R LQ01 A9 Supplemental Data A distinctive identification of specific units, activities and organizations within the Department of Defense (DoD), commercial activities which enter into materiel and service contracts with the DoD and activities of other Federal agencies which maintain logistics support arrangements with the DoD 1. Use to identify supplemental address/data. 2. Future streamlined data; see introductory DLMS note 4c. 6/6
  846R LQ01 AJ Utilization Code Use to identify a specialized purpose of the transaction 1. Under DLSS, this is the first position of the document serial number. 2. DLMS enhancement; see introductory DLMS note 4a. 1/1
  846R LQ02 N/A
  846R LIN01 N/A
  846R 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. See introductory DLMS note 4a. 4/4
  846R LIN02 A3 Locally Assigned Control Number Use to identify the Item identifier for a locally assigned control number to catalog and manage material 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. 1/48
  846R LIN02 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item 15/15
  846R 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
  846R 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. See introductory DLMS note 4a. 1/30
  846R LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  846R LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production Use to identify nonstandard materiel. 1/32
  846R 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
  846R 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
  846R 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 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. 13/13
  846R LIN02 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. 1/48
  846R 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 an authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 1/48
  846R LIN02 ZZ Mutually Defined Use to where there is no suitable X12 code in the data element. 1. For 1/BIA02/20 code LC (Location Reconciliation Request), 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. For Location Reconciliation Request transactions, use when a management control number (MCN) is provided. This includes the MCN assigned by the DoD small arms/lig ht weapons (SA/LW) Registry for the DoD SA/LW Serialization Program, IAW DLM 4000.25, DLMS, Volume 2. 3. For 1/BIA02/20 codes X4 (Location Reconciliation Notification) and ZZ (Location Reconciliation History Notification), must use to comply with ANSI syntax requirements. Indicate ZZ in LIN03. 1/48
  846R LIN03 N/A
  846R 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
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