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
  870M LQ01 HD Discrepancy Status or Disposition Code Action activities provide to reply to a discrepancy report Use when directing return of discrepant or deficient materiel.
  870M 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.
  870M 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.
  870M 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.
  870M LQ01 SEC Stock Exchange Code Use to identify the Exchange Pricing Indicator for intra-Army transactions to identify that the Customer and National Item Identification Number (NIIN) on the transaction are Exchange Pricing relevant Use to identify the Exchange Pricing Indicator for intra-Army transactions to identify that the Customer and NIIN on the transaction are Exchange Pricing relevant. When applicable, cite code value EP (Exchange Pricing). Refer to ADC 274. A data maintenance action was approved in version 6010. The approved code/name is “EPI - Exchange Pricing Indicator".
  870M 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.
  870M LQ02
  870M LX01
  870M REF01 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number 1. Use to identify the manufacturer's batch/lot number or other number identifying the production run. 2. Use ‘BT’ in 2/REF01/350 when UII or serial number does not apply for the item. If both UII or serial umber and batch/lot number is required, use REF01 for UII or serial number, and use REF04 for batch/lot number.
  870M REF01 SE Serial Number A value assigned for identification of an item 1. Use to identify the serial number (when code U3 is not used). Use this qualifier for unique item tracking based upon the serial number. 2. DLMS enhancement. See introductory DLMS note 4a.
  870M REF01 U3 Unique Supplier Identification Number (USIN) A globally unique and unambiguous identifier that distinguishes an item from all other like and unlike items. The UII is derived from a UII data set of one or more data elements 1. Use to identify the UII. Place UII value in REF03. Use this qualifier for unique item tracking based upon the UII. A data maintenance action was approved in version 5020. The approved code/name is "UII - Department of Defense Unique Item Identifier”. 2. DLMS enhancement. See introductory DLMS note 4a.
  870M REF02
  870M REF03
  870M REF04
  870M REF04-01 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number 1. Use to identify the manufacturer’s batch/lot number or other number identifying the production run. 2. Use ‘BT’ in REF04 when the associated UII or serial number is cited in REF01.
  870M REF04-02
  870M N101 MF Manufacturer of Goods Use to identify the manufacturer of the identified item
  870M N103 33 Commercial and Government Entity (CAGE) Use to identify 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
  870M N104
  870M DTM01 036 Expiration Use to identify the expiration date of the lot identified.
  870M DTM01 094 Manufacture Use to identify the date of manufacture of the UIT materiel identified.
  870M DTM01 510 Date Packed Use to identify the date of pack for the lot identified.
  870M DTM02
  870M SE01
  870M SE02
  870N ST01 870 Order Status Report
  870N ST02
  870N BSR01 8 Response to Notice of Availability
  870N BSR02 CO All Orders - Unshipped Items Use to indicate that all orders remain open.
  870N BSR03
  870N BSR04
  870N BSR07
  870N BSR11 00 Original Indicates the initial transaction
  870N BSR11 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.
  870N TD502 7 Loading Dock Use to identify the Port of Embarkation (DOD Code) associated with the ship mode (air or surface) to final destination.
  870N TD503
  870N TD504
  870N TD507 PB Port of Discharge Use to identify the Port of Debarkation (DOD Code) associated with the ship mode (air or surface) to final destination.
  870N TD508
  870N N101 CY Country Use to identify the Security Cooperation Customer Code associated with the Notice of Availability (NOA) reply 1. Use to identify the SC Customer Code associated with the NOA reply. 2. Use to identify the CR originating the transaction set. Authorized DLMS enhancement; see DLMS Introductory Note 3e. Refer to ADC 1098.
  870N N101 IF International Freight Forwarder Authorized DLMS enhancement; see DLMS Introductory Note 3e. Refer to ADC 1098.
  870N N102
  870N N103 38 Country Code The geopolitical entities, names, and codes (GENC) standard. The GENC standard is the US Government profile of ISO 3166 (parts 1 and 2) names and code elements, with modifications only where necessary to comply with US law and US Government recognition policy Use with N101 Qualifier CY to identify the Security Cooperation Customer Code applicable to the NOA reply. (Must be consistent with the NOA and original requisition content).
  870N N103 A2 Military Assistance Program Address Code (MAPAC) Use to identify the consignee in transportation documents and to obtain clear-text address and other shipment information from the military assistance program address directory (MAPAD) This is a DLMS enhancement for use of the constructed MAPAC to identify the FF or CR. Requires coordination prior to use.
  870N N103 LC Agency Location Code (U.S. Government) Use to identify the International Logistics Control Office (ILCO) SC Implementing Agency Code. Use to identify the International Logistics Control Office (ILCO) SC Implementing Agency Code. Authorized values are restricted to those identified in DLM 4000.25, Volume 2 Appendix 7.2. Authorized DLMS enhancement; see DLMS Introductory Note 4e. Refer to ADC 1098.
  870N N104
  870N N106 FR Message From Use to identify the party originating the transaction set Must use with the appropriate 1/N101/050 code to indicate that the organization cited in N104 is originating the transaction set.
  870N HL01
  870N HL03 S Shipment Use to identify the individual shipment loops addressed in the FMS NOA reply.
  870N HL03 V Address Information Use to identify a address in a transaction Use address loop to identify the consignor (shipping activity initiating the NOA) and the ship-to when the ship-to instructions are different than those provided originally.
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