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
  856S HL01 N/A
  856S HL02 N/A
  856S HL03 I Item Use to identify item IUID data consistent with IUID data requirements Use to identify item IUID data consistent with IUID data requirements. The IUID data is carried in the REF, N1 and SN1 segments; no other segments are used in the IUID loop. Use a separate IUID loop for each item. For ammunition, use a separate IUID loop for each batch/lot number for materials that are managed by both batch/lot and serial number. If an RFID is provided at the item level it will be reflected in this loop. Skip this level when not applicable. N/A
  856S 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. N/A
  856S HL03 V Address Information Use to identify a address in a transaction Use to identify the address loop which specifies the transaction originator. For Hazardous Material/Hazardous Waste shipment status information (BSN06 = AZ) also identifies the recipient. Use only one address loop per transaction. 1/110
  856S HL03 W Transaction Reference Number Use to identify the shipment status loop which identifies the transaction reference number (requisition document number) and associated shipment information. Use only one shipment status loop per transaction. N/A
  856S HL03 CN Container Use to identify the container record loop which specifies the storage location code, container weight/volume and the accumulation start date for the HM/HW shipment status record. Repeat this loop as necessary and identify the parent loop as the HM/HW shipment status record loop. N/A
  856S HL03 FI Financial Information Use to identify the Finance loop to provide DoD SLOA/Accounting Classification information Use to identify the Finance loop to provide DoD SLOA/Accounting Classification information. The Finance loop includes only the REF/1500 and DTM/2000 segments. This loop is applicable for shipment status to the ICP from the reporting activity for ICP-directed lateral redistribution order shipments of retail assets (equivalent to MILSTRIP legacy DIC AS6) or items shipped to DLA Disposition Services. Refer to ADC 1043. N/A
  856S HL03 HE EPA Waste Number Subsection 1. Use to identify the EPA waste code record loop which specifies the applicable EPA waste codes associated with the shipment. Repeat this loop as necessary and identify the parent loop as the shipment status loop. 2. Approved for use in X12 version 8010. N/A
  856S HL03 ST State 1. Use to identify the state waste code record loop which specifies the applicable state waste codes associated with the shipment. Repeat this loop as necessary and identify the parent loop as the shipment status loop. 2. Approved for use in X12 version 4040. N/A
  856S LIN02 05 Hazardous Waste Disposition Document Control Number Use to identify the hazardous waste disposition document control number when sending shipment status to the waste generator Use to identify the hazardous waste disposition document control number when sending shipment status to the waste generator. 1/48
  856S LIN02 A2 Department of Defense Identification Code (DoDIC) Use to identify specific types of ammunition and explosives, indicating both the item and its packaging Use to identify ammunition items. 4/4
  856S LIN02 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item 15/15
  856S LIN02 FB Form Number A unique stock number associated with a specific Approved Code form Use to identify the form stock number. 1/30
  856S LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  856S 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 Use to identify the FSC of the nonstandard materiel when a part number is not available and materiel can only be identified by description (e.g., non-NSN lumber products). 4/4
  856S LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production 1. Use to identify nonstandard materiel. 2. May be used to identify the supplier-assigned part number when applicable to a DoD FedMall or GSA Advantage/Global internet order from a vendor catalog. Refer to ADC 1068. 1/32
  856S LIN02 NN National Item Identification Number Used to differentiate each individual item of supply from all other items of supply 1. Use only for CAV Shipment Status when the NSN (FSC plus NIIN) is not available. 2. Qualifier NN is a migration code approved for use in X12 version 5020. This is an authorized DLMS enhancement. 9/9
  856S 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 (with 1/BSN01/0200=ZZ), the applicable NSN will be included for cross-reference (at LIN04-05). May also be used for identification of LSNs assigned for part-numbered item requisitioning. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 13/13
  856S LIN02 YP Publication Number Reference number assigned to a publication or catalog Use to identify the publication stock number. 1/48
  856S 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
  856S LIN02 ZZ Mutually Defined Use to where there is no suitable X12 code in the data element. 1. 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 legacy MILSTRIP- to-DLMS conversion when the translator cannot determine a more appropriate code. 2. DLMS enhancement. 1/48
  856S LIN03 N/A
  856S LIN04 CN Commodity Name Name or description of material item 1. Use with LIN02 code FT to identify the materiel name or description. 2. Do not use for Hazardous Materiel/Hazardous Waste. Provide the Proper Shipping Name in 2/PID/0700. 1/48
  856S 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 (1/BSN01/0200=ZZ) and the Local Stock Number (LSN) is identified as the primary materiel identification. Authorized DLMS enhancement under DLA industrial activity support agreement. 13/13
  856S 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 1. Use with LIN02 code MG to uniquely identify a manufacturer's (or supplier�s) part number. 2. May be used to identify the supplier CAGE when applicable to a DoD FedMall or GSA Advantage/Global internet order from a vendor catalog. 5/5
  856S LIN05 N/A
  856S SN102 N/A
  856S SN103 N/A
  856S SN105 N/A
  856S SN106 N/A
  856S PID01 X Semi-structured (Code and Text) A type of data that is not formatted in a conventional way, but it does contain some structural elements that make it easier to analyze 1/80
  856S PID03 DL Defense Logistics Agency N/A
  856S PID04 N/A
  856S PID05 N/A
  856S PID08 N No N/A
  856S PID08 Y Yes N/A
  856S MEA01 CT Counts Use to identify the number of containers Use in the HL03 code W loop to identify the number of containers. Enter the quantity in the MEA03. N/A
  856S MEA01 WA Waste Amount Use to explicitly tell the tracking system that the accompanying numeric value represents the Disposal Total Weight or Volume of the hazardous waste or material being shipped Use in the HL03 code W loop with MEA02 code VWT to identify the Disposal Total Weight/Volume. N/A
  856S MEA01 WT Weights Use to identify the Container Weight/Volume Use in the HL03 code CN loop with MEA02 code VWT to identify the Container Weight/Volume. N/A
  856S MEA02 PV Picks Use to indicate the pickup quantity Use in the HL03 Code MF loop with Code CT. Enter the pickup quantity in MEA03. 1/20
  856S MEA02 VWT Volume Weight Use to identify the overall size of a parcel Use with MEA01 code WA or WT. Enter volume weight in the MEA03. 1/20
  856S MEA03 N/A
  856S MEA04 N/A
  856S MEA04-01 CR Cubic Meter Use to identify the three-dimensional volume displacement of cargo, storage containers, engine sizes, or bulk liquids/gases in metric cubic meters GenComm equivalent code is C. N/A
  856S MEA04-01 CY Cubic Yard Use by military services for requisition, stock, and issue physical bulk materials explicitly in counts of cubic yards GenComm equivalent code is Y. N/A
  856S MEA04-01 GA Gallon Use to identify the total physical volume of liquid stored in drums or being transported GenComm equivalent code is G. N/A
  856S MEA04-01 KG Kilogram Use to specify that the associated physical weights or container quantities are expressed in kilograms GenComm equivalent code is K. N/A
  856S MEA04-01 LB Pound Use to specify that physical weight totals are calculated in pounds GenComm equivalent code is P. N/A
  856S MEA04-01 LT Liter Use to specify that the container or total bulk capacity is measured in liters GenComm equivalent code is L. N/A
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