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 IC REF CODE X12 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE DLMS MIN MAX
  856R BSN01 CO Corrected 1. Use to correct shipment information (e.g., TCN or RFID tag number). 2. Applicable when used for retrograde returns and directed returns of discrepant/deficient materiel. Not applicable to MILSTRIP Materiel Returns Program except as authorized for intra-Component use. 3. DLMS enhancement. Refer to ADC 353A.
  856R BSN02
  856R BSN03
  856R BSN04
  856R BSN06 FT Material Returns Use to indicate the transaction set contains materiel returns program transactions Use to indicate this transaction provides shipment status information related to materiel returns program transactions (MILSTRIP FTM, Shipment Status (Customer Status to ICP/IMM). For all other types of returns, use Code RD.
  856R BSN06 RD Returns Detail 1. Use for retrograde shipment for return or repair which fall outside the scope of the MILSTRIP Materiel Returns Program asset reporting. 2. Use when seeking intra-Service DLR Exchange Pricing credit for materiel turn-in. 3. Use when shipping directed return of discrepant/deficient materiel associated with a Supply Discrepancy Report (SDR), Product Quality Deficiency Report (PQDR), or Transportation Discrepancy Report (TDR). 4. Use in conjunction with a Return Type Code to identify the reason for the return (LQ01= KYL). 5. DLMS enhancement. Refer to ADC 353A.
  856R BSN07 091 Reprocessed Trans-ship/Cross-dock Shipment Status (non-CCP). Use to identify that shipment status is provided by a location performing consolidation subsequent to original shipment (e.g., local delivery manifesting) in support of passive RFID data exchange. The status may reflect multiple levels of pack associated with the lead Transportation Control Number (TCN). It may update the shipment date or mode of shipment while providing visibility of additional or replacement passive RFID tag values associated with the original shipment as a result of processing/ reconfiguration. The Shipment Status should not be used to overlay the original shipment status in the receiving application, as this may result in some loss of data content. Refer to ADC 417.
  856R HL01
  856R HL02
  856R HL03 I Item Use to identify item IUID data consistent with IUID data requirements. The IUID data is carried in the REF and N1 segments; no other segments are used in the IUID loop. Use a separate IUID loop for each item. If an RFID is provided at the item level it will be reflected in this loop. Skip this level when not applicable.
  856R HL03 P Pack Use to identify the passive RFID tag identification. The tag identification is carried in the REF segment; no other segments are used in this loop at this time. Use a separate RFID loop for each RFID associated with the shipment using the HL02 parent ID to create a parent/child (nested) relationship. Skip this level when not applicable.
  856R HL03 V Address Information Use to identify a address in a transaction Use to identify the transaction set originating activity address loop. 1/110
  856R HL03 W Transaction Reference Number Use to identify the individual transaction materiel returns shipment status loops.
  856R 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 3a. 4/4
  856R LIN02 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item 15/15
  856R 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 3a. 1/48
  856R 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 3a. 1/30
  856R LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  856R LIN02 FT Federal Supply Classification A code which identifies the supply classification of an item of supply identified under the federal cataloging program, an item of production and/or a homogeneous area of commodities in respect to their physical or performance characteristics 1. Use to identify nonstandard materiel when a part number is not available, and materiel reported was identified by description (e.g., non NSN lumber products). 2. Use only with BSN06 code RD. 4/4
  856R LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production Use to identify nonstandard materiel. 1/48
  856R 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 3a. 15/15
  856R 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 3a. 1/48
  856R LIN02 ZZ Mutually Defined Use to identify nonstandard materiel when all other authorized codes do not apply or cannot be determined. May be used for legacy MILSTRIP-to-DLMS conversion when the translator cannot determine a more appropriate code.
  856R LIN03
  856R LIN04 CN Commodity Name Name or description of material item Use with LIN02 code FT to identify the materiel name or description. 1/48
  856R LIN04 ZB Commercial and Government Entity (CAGE) Code Code assigned to 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 Use with LIN02 code MG to uniquely identify a manufacturer's part number. 5/5
  856R LIN05
  856R SN102
  856R SN103
  856R TD504
  856R REF01 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number 1. Use in IUID loop to identify the manufacturer's batch/lot number or other number identifying the production run. The batch/lot number may not exceed 20 characters in accordance with IUID policy. 2. DLMS enhancement; see introductory DLMS note 3a. 1/30
  856R REF01 CR Customer Reference Number 1. Use the Customer Reference Number to cross-reference to the requisition number under which the materiel was ordered, when it differs from the turn-in/return document number used with Code TN. This is applicable to directed return of discrepant/deficient materiel and other types of retrograde shipments. 2. Authorized DLMS enhancement. Refer to ADC 353A and ADC 1249.
  856R REF01 D9 Claim Number Use to identify a Transportation Discrepancy Report (TDR) control number that is a combination of the reporting activity's Department of Defense Activity Address Code (DoDAAC), the last two digits of the year the report was created, and a four-digit sequential number when directing the return 1. Use to identify the TDR control number directing the return. Recommended for inclusion in the PMR where an automated interface with the discrepancy reporting application is available. 2. DLMS enhancement. Refer to ADC 353A. 14/14
  856R REF01 FG Fund Identification Number Use to identify the fund purpose code. Describes the purpose or intended use of funds or financial accounting classification data identified on DLMS transactions 1. Use to identify the fund purpose code. Cite any fund purpose code in except code CR or DR. 2. Use to identify accounting classification data against which a credit for the returned materiel will be provided. 3. This is a DLMS enhancement, but it is a required entry for identification of the Fund Code below. 2/2
  856R REF01 JH Tag Use to identify an item in a transaction by its Radio Frequency Identification (RFID) tag value 1. Use in applicable RFID loop to identify the RFID tag. The RFID will be reflected as a hexadecimal value. 2. May be used in the IUID loop when an RFID tag is applied to the individual item. 3. Authorized DLMS migration enhancement. See introductory DLMS note 3f. 1/30
  856R REF01 NN Nonconformance Report Number Use to identify Report Control Number (RCN) 1. Use to identify the DoD WebSDR control number applicable to the SDR Reply directing the return. Recommended for inclusion in the PMR where an automated interface with the discrepancy reporting application is available. 2. DLMS enhancement. Refer to ADC 353A. 12/12
  856R REF01 QR Quality Report Number Use to identify the Product Quality Deficiency Reporting (PQDR) Report Control Number (RCN) that is comprised of the six-position originating activity Department of Defense Activity Address Code (DoDAAC), a two-digit calendar year, and a unique four-position serial number 1. Use to cite the PQDR report control number (RCN) directing the return. Recommended for inclusion in the PMR where an automated interface with the discrepancy reporting application is available. 2. DLMS enhancement. Refer to ADC 353A. 12/12
  856R REF01 SE Serial Number A value assigned for identification of an item 1. Use in IUID loop to identify the serial number. See ADC 1071. 2. DLMS enhancement; see introductory DLMS Note 3f. 3. The serial number may not exceed 30 characters and may only include alpha numeric characters, dashes and forward slashes. Spaces are not allowed. 1/50
  856R REF01 TG Transportation Control Number (TCN) A 17-position alphanumeric assigned to control and manage every shipment unit throughout the transportation pipeline 1. Must use in every 2/HL/0100 transaction reference number loop to identify the shipment unit TCN. 2. Reuse/duplication of a previously used TCN is not permitted. If the controlling document number for the retrograde or directed return is the same as the original shipment, a unique TCN (not derived from the original document number) must be identified. 17/17
  856R REF01 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 Must use in every 2/HL/0100 transaction reference number loop to identify the document number associated with the materiel return. 14/14
  856R 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 in IUID loop to identify the UII value in REF03. See ADC 1071. The UII may not exceed 50 characters in accordance with IUID Policy. An ANSI 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 3f. 1/50
  856R REF02
  856R REF03
  856R REF04
  856R REF04-01 08 Carrier Assigned Package Identification Number Use to identify the commercial carrier-assigned tracking number 1. Use to identify carrier package identification number when carrier is other than the United States Postal Service. Use recommended in conjunction with identification of the carrier (2/N101/2200 qualifier CA). 2. Authorized DLMS migration enhancement. See introductory DLMS note 3f. 1/17
  856R REF04-01 10 Account Managers Code Use to identify the authorized accounting activity (AAA)/accounting disbursing station number (ADSN)/fiscal station number (FSN) Use in one of REF04-03 or REF04-05 to identify the authorized accounting activity (AAA)/accounting disbursing station number (ADSN)/fiscal station number (FSN). 6/6
  856R REF04-01 AT Appropriation Number Use to account for funds made available for obligation and disbursement from the treasury Use in one of REF04-01 or REF04-03 to identify the basic appropriation data. 1/30
  856R REF04-01 AW Air Waybill Number Use to identify air waybill document prepared by a transportation line at the point of origin of a shipment showing the point of origin, destination, route, consignor, consignee, description of shipment and amount charged for the transportation service Authorized DLMS migration enhancement. See introductory DLMS note 3f. 11/11
  856R REF04-01 BL Government Bill of Lading A number assigned to a document by a consignor which represents a limited liability contract covering transportation of property from one place to another Authorized DLMS migration enhancement. See introductory DLMS note 3f. 7/17
  856R REF04-01 BM Bill of Lading Number Use to identify the shipment unit commercial bill of lading number 1. Use to identify the shipment unit commercial bill of lading number. 2. Authorized DLMS migration enhancement. See introductory DLMS note 3f. 1/16
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