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).
  • Authoritative Code Lists: Access the complete and current lists of approved codes and qualifiers used in logistics transactions, such as status codes, discrepancy codes, and unit of issue codes.

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 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE
  846A 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.
  846A LQ01 83 Supply Condition Code Classifies materiel in terms of readiness for issue and use or to identify action underway to change the status of materiel For asset reclassification requests when the owner/manager has resolved the situation which required the assets to be held in a suspended condition (BIA02 code TE with BIA06 code 62) this is the ‘TO’ SC. The ‘FROM’ SC uses qualifier ‘BG’.
  846A LQ01 84 Management Code Use to identify supplemental management information associated with processing the transaction.
  846A LQ01 87 Subsistence Type of Pack Code Use to indicate the degree of protection to be provided subsistence items 1. Use subsistence items to identify subsistence type of pack information. 2. Use in asset reclassification request/followup.
  846A LQ01 99 Purpose Code Provides the owner of materiel with a means of identifying the purpose or reason for which an inventory balance is reserved Use in asset reclassification request/followup.
  846A LQ01 A1 Ownership Code Provides a means of segmenting inventory balances, accounted for in inventory control records of a Military Service/DLA, but which are owned by others Use in asset reclassification request/followup.
  846A 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. During the DLS/DLMS transition, this field will be used to perpetuate/populate the DLS Supplemental Address (SUPAD) field. During this time, field size is restricted to 6 positions; see introductory DLMS note 3d. 3. Expanded use of this field for supplemental data without size restriction is a DLMS enhancement; see introductory DLMS note 3a. 4. Under full DLMS, the requirement to pass activity address information within the supplemental data field will be streamlined. Activity address data previously contained in the SUPAD will be reflected exclusively in the N1 segment. Future streamlined data; see introductory DLMS note 3c.
  846A LQ01 AJ Utilization Code Use to identify a specialized purpose of the transaction
  846A LQ01 BG Condition For use with asset reclassification requests for supply condition code (SC) change, when the owner/manager has resolved the situation which required the assets to be held in a suspended condition. This is the ‘FROM’ SC. The ‘TO’ SC uses qualifier ‘83’. BG is only for use with BIA02 code TE with BIA06 code 62.
  846A LQ01 GQ Group Qualifier Code Use to identify the Materiel Management Aggregation Code (MMAC) for National Stock Number (NSN) to be managed by a specific manager (i.e., system, program, aggregation, selected FSC, technology group) Use to identify the MAC for NSNs to be managed by a specific manager (i.e., system, program, aggregation, selected FSC, technology group). This is an Air Force-unique data element, meaningful to the Air Force only. Non-Air Force Components perpetuate without action. A - data maintenance action was approved in version 5010. The approved code/name is “MAC-Materiel Management Aggregation code”. The code source is identified as the Air Force Manual (AFMAN) 23-10, Volumes 1 and 2.
  846A LQ01 ARD Asset Reclassification Denial Code 1. Storage activities must use an Asset Reclassification Denial (ARD) code with Asset Reclassification Response Denial Transactions (BIA02 code TD in conjunction with BIA06 Action Code DE) to identify the reason for the denial. Cite the ARD code at either 2/LQ01/270 or 2/LQ01/376, as appropriate. 2. For DLA industrial support agreement with Marine Corps, cite the ARD code at 2/LQ01/270 since the QTY Loop is not used. 3. At this time a local code ‘ARD’ is established for use in 846A, version 4010. A data maintenance action has been submitted for establishment of ‘ARD-Asset Reclassification Denial Code’ in a future version.
  846A LQ01 COG Cognizance Symbol Use for internal Navy management purposes to classify items by technical program, type of fund, and to indicate the cognizant Inventory Control Point (ICP) and technically responsible command Use to identify the material cognizance symbol (COG) of the end item. Indicate NSL for non-stock numbered listed items. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action.
  846A LQ01 IMC Item Management Code Use to indicate whether an item of supply shall be subject to integrated management or shall be retained by the individual military service or other DoD Component for their management Use for integrated material management. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action.
  846A LQ01 MCC Material Control Code Use to denote the expendability, repairability, recoverability, and cost category employed in the management of an item of supply within the Navy Use for special inventory reporting. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action.
  846A LQ01 SMI Special Material Identification Code Use to categorize material on the basis of requirements for source or quality control; technical design or configuration control; procurement, stocking, and issue control; special receipt, inspection, testing, storage, or handling This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action.
  846A N101 SB Storage Area Use to identify a depot or storage activity.
  846A N101 XM Maintenance Organization Used for Estimate Use when applicable to identify the maintenance organization e.g., Navy Shipyard or Flet Readiness Center. Authorized for DLA industrial activity support agreement. Refer to ADC 376.
  846A N101 Z4 Owning Inventory Control Point Use to indicate the source of supply
  846A N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations. The first position indicates the Component or other Government element of ownership or sponsorship. The remaining five positions are assigned under established products by the Service point of the participating Component DLMS enhancement; see introductory DLMS note 3c.
  846A 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
  846A 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.
  846C ST01 846 Inventory Inquiry/Advice
  846C BIA01 0 Original Indicates the initial transaction
  846C 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.
  846C BIA01 ZZ 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 for DLA Disposition Category Update.
  846C BIA02 9 Progress Report Use to identify a Disposition Category Update Response transaction. DLA Disposition Services Field office uses with DS-Ultimate Disposal to respond to DLA Disposition Services ICP (which uses EBS) to Accept, deny, or request a change when EBS assigned Disposition Category Code DS-Disposal. Must use with one of BIA06 Action Codes 2, CF, or DE.
  846C BIA02 PC Process Change Notice Use to identify a Disposition Category Update transaction. DLA Disposition Services uses to provide Disposition Category updates. This transaction may be sent from the DLA Disposition Services ICP to the DLA Disposition Services Field Office; or from the field office to the ICP.
  846C BIA02 RA Revision Announcement Use to identify an Accumulation Number Update transaction. DLA Disposition Services ICP sends this transaction to the DLA Disposition Services Field Office to advise of a change in the disposition services Accumulation number. Refer to ADC 1093.
  846C BIA06 2 Change (Update) Use in conjunction with BIA02 code 09 only. DLA Disposition Services Field Office uses to notify the Disposition Services ICP that the proposed Disposition Category Code DS-Disposal will be overturned with a Disposition Category Code SL-Sales.
  846C BIA06 CF Confirm Use in conjunction with BIA02 code 09 only. DLA Disposition Services Field Office uses to confirm the Disposition Category Code DS-Disposal assigned to the DTID by the Disposition Services ICP.
  846C BIA06 DE Deny Use in conjunction with BIA02 code 09 only. DLA Disposition Services Field Office uses to deny the Disposition Category Code DS-Disposal assigned to the DTID by the Disposition Services ICP.
  846C N101 SB Storage Area Use to identify a DLA Disposition Services Field Office depot or storage activity.
  846C N101 Z4 Owning Inventory Control Point Use to indicate the source of supply Use to identify the DLA Disposition Services ICP.
  846C N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations. The first position indicates the Component or other Government element of ownership or sponsorship. The remaining five positions are assigned under established products by the Service point of the participating Component
  846C 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
  846C N106 FR Message From DLMS Implementaton Convention (IC) 846C Disposition ADC 1367, 1481, MFR 1512 Category Update Must use in conjunction with 1/N101/080 code SB or Z4 to identify that the organization cited in N104 is originating the transaction set.
  846C LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  846C LIN02 SW Stock Number Use to identify a local stock number (LSN).
  846C LIN02 ZZ Mutually Defined Use when a management control number (MCN) is 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 , DLMS, Volume 2.
  846C 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 unit of use Local Stock Number (LSN) is identified as the primary materiel identification. Authorized for use by DLA Disposition Services.
  846C LIN04 SW Stock Number 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 for use by DLA Disposition Services. 3. DLA Disposition Services uses with Disposition Category Update 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 Z. DLA Disposition Services requires the disposition LSN for internal DLA processing only. Refer to ADC 1019.
  846C LIN06 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  846C LIN06 SW Stock Number Use to identify the local stock number (LSN).
  846C MEA01 CT Counts Use with Commercial Venture processing to indicate that Consecutive Delivery Order Count and Maximum Delivery Order Number information is provided.
  846C MEA02 MX Maximum Use with Commercial Venture processing to provide the Maximum Delivery Order Number.
  846C MEA02 UG Usage Use with Commercial Venture processing to provide the Consecutive Delivery Order Count.
  846C DTM01 97 Transaction Creation Use to identify date the transaction was prepared.
  846C DTM01 152 Effective Date of Change Use to identify the date of the disposition services Accumulation number change. Use only with an Accumulation Number Update transaction (BIA02 = RA).
  846C CTP02 STA Standard Price This field is only used when the DLA Disposition Services ICP is updating the Disposition Category Code to DS-Disposal or SL-Sales. This field is required for the DLA Disposition Services Field Office to create an internal Materiel Release Order (MRO) transaction.
  846C REF01 98 Container/Packaging Specification Number Use to identify the Disposition Services Container Identification (ID).
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