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
  846I 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 1/1
  846I 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 1/1
  846I 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 DLSS/DLMS transition, this field will be used to perpetuate/populate the DLSS Supplemental Address (SUPAAD) field. During this time, field size is restricted to 6 positions; see introductory DLMS note 4d. 3. Expanded use of this field for supplemental data without size restriction is a DLMS enhancement; see introductory DLMS note 4a. 4. Under full DLMS, the requirement to pass activity address information within the supplemental data field will be streamlined. Activity address data previousl y contained in the SUPAAD will be reflected exclusively in the N1 segment. Future streamlined data; see introductory DLMS note 4c. 6/6
  846I 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
  846I 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) 1. Use to identify the Materiel Management Aggregation Code (MMAC) for NSNs to be managed by a specific manager (i.e., system, program, aggregation, selected FSC, technology group). 2. This is an AirForce-unique data element, meaningful to the Air Force only. Non-Air Force Components perpetuate without action. 3. The code source is identified as the Air Force Manual (AFMAN) 23-110, Volumes 1 and 2. 2/2
  846I 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 for 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. 2/2
  846I 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. 1/1
  846I 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. 1/1
  846I LQ01 SLC Stockage List Code Use to review requirements and identify stocking criteria for items on the Authorized Stockage List (ASL) 1. For intra-Army use only. See introductory DLMS note 4f. Use of this data is meaningful to Army only and equates to intra-Army DIC BSS, rp 78, and MILSTRAP legacy DZA, rp 78. The code source for Stockage List Code is Army Regulation 710-2, Supply Policy Below the National Level. Refer to ADC 308 and ADC 458. 2. Approved for use in X12 version 6020. 1/1
  846I 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 Use to identify the Special Material Identification Code (SMIC) for an end item. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 2/2
  846I LQ02 N/A
  846I N101 KA Item Manager Use to indicate the government inventory manager Use for asset status reports to identify the owner when different from the 1/N101/080 organization originating the transaction set, and the 2/N101/450/Z4 organization is not the owner. 1/60
  846I 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 Use for asset status reports to identify the asset storage organization when different from the organization originating the transaction set. 1/60
  846I N101 PK Party to Receive Copy An organization to be provided an informational copy of a transaction 1/60
  846I N101 SB Storage Area Use to identify the distribution depot/storage activity Use to indicate a depot or storage activity. 1/60
  846I 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. Refer to ADCs 284A, 381, 1454 and 1459 for known applications. 1/3
  846I N101 Z4 Owning Inventory Control Point Use to indicate the source of supply 1. Use to indicate the owner or other activity to which the transaction is being forwarded. 2. When the activity to which the transaction is being forwarded is not the owner, then qualifier KA must also be used to identify the owner. 1/60
  846I N101 Z5 Management Control Activity A DoD Component, DoD activity, or non-DoD activity, if participating by separate agreement (e.g., the Coast Guard), designated to receive, screen, and validate Military Service-initiated and contractor- initiated requisitions from the wholesale supply system to support DoD contracts or requirements For Intra-Army use to identify the RIC of the MCA to receive the report of GFM consumption (BIA02=62/DIC BZE functionality). Refer to ADC 431. 1/60
  846I N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations DLMS enhancement. See introductory DLMS note 4a. 6/6
  846I 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
  846I N104 N/A
  846I N106 TO Message To Use to identify the party to receive the transaction set Must use with 2/N101/450 codes SB or Z4 to indicate the organization cited in N104 is to receive the transaction. 1/60
  846I SE01 N/A
  846I SE02 N/A
  846M ST01 846 Inventory Inquiry/Advice Use this transaction set for Demand N/A
  846M ST02 N/A
  846M BIA01 DT Demand Transaction Use to Indicate Demand Transaction Use to Indicate Demand Transaction. N/A
  846M BIA02 ZZ Mutually Defined Use for X12 Compliance Send "ZZ" for X12 Compliance N/A
  846M BIA03 N/A
  846M BIA04 N/A
  846M DTM01 FED Future Effective Date Use to indicate the future effective date of a change to a cataloging item 1. Use to indicate the future effective date of a change to a cataloging item. 2. Approved for use in X12 version 8060. 8/8
  846M DTM02 N/A
  846M N101 FR Message From Use to identify the party originating the transaction set Use to Indicate Activity From 1/60
  846M N103 AY Activity Code Use to identify specific entities responsible for cataloging or managing items in the Federal Catalog System (FCS) Use to indicate the Activity Code. 2/2
  846M N104 N/A
  846M LIN02 NN National Item Identification Number Used to differentiate each individual item of supply from all other items of supply Approved for use in X12 version 5020. 9/9
  846M LIN03 N/A
  846M MEA03 N/A
  846M MEA04 N/A
  846M MEA04-01 P1 Percent Use to identify a ratio, fraction, or portion expressed as a fraction of 100 Use to indicate Percent End Items East 1/20
  846M REF01 80 Charge Number Use to indicate Type of Change Code (TOCC) Use to indicate Type of Change Code (TOCC). 1/50
  846M REF01 IQ End Item Use to identify the End Item Use to indicate the End Item. 1/379 (See Add. Comments)
  846M REF01 SE Serial Number A value assigned for identification of an item Use to indicate the Item Serial Number. 1/6
  846M REF01 PVS Provisioning Control Code Use during the provisioning process to determine the range and depth of support items for a system or equipment Approved for use in X12 version 5030. 3/3
  846M REF02 N/A
  846M REF03 N/A
  846M DD03 NIN National Item Identification Number Used to differentiate each individual item of supply from all other items of supply 9/9
  846M DD04 N/A
  846M DD05 N/A
  846M DD06 JD Quantity per Unit Pack Code Use to identify the number of units of issue in a unit package as established by the managing activity Use to Indicate the Retail Quantity. 1/1
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