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
  856N LIN02 SN Serial Number A value assigned for identification of an item Use to identify the manufacturer's serial number of the end item.
  856N LIN02 YP Publication Number Reference number assigned to a publication or catalog Use to identify the publication stock number.
  856N LIN04 CN Commodity Name Use with LIN02 code FT to identify the materiel name or description.
  856N 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.
  856N MEA01 NX Net Explosive Weight For explosive shipments, use to identify the Net Explosive Weight in the MEA03 and MEA04-01 Code LB.
  856N MEA01 PD Physical Dimensions For over-dimensional shipments, use to identify the physical dimensions (height, length, and width) of the shipment in the MEA02, MEA03, and MEA04-01 Code IN.
  856N MEA02 A Consolidated Weight Use with code LB in MEA04-01, to identify the shipment weight in pounds.
  856N MEA02 HT Height Use to indicate Unit Pack Height.
  856N MEA02 LN Length Use to indicate Unit Pack Length.
  856N MEA02 WD Width Use to indicate Unit Pack Width.
  856N MEA02 UCB Cube Use with code CF in MEA04-01 to identify the shipment cubic size (volume) expressed as cubic feet.
  856N MEA04-01 CF Cubic Feet Use with code UCB in MEA02 to indicate that the shipment cube is expressed as cubic feet.
  856N MEA04-01 IN Inch Use with MEA01 Code PD and MEA02 Codes HT, LN, and WD.
  856N MEA04-01 LB Pound 1. Use with code A in MEA02 to indicate that the shipment weight is expressed as pounds. 2. Use with code NX in MEA01 to indicate that the shipment net explosive weight is expressed in pounds.
  856N REF01 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number Use as needed to identify the manufacturer's batch number or other number identifying the production run.
  856N REF01 K1 Foreign Military Sales Notice Number Must use only in 2/HL/010 shipment lops to identify the NOA Notice Number, which reflects the number of times the NOA has been sent to the Freight Forwarder/Country Representative. Second and subsequent transmissions may be interpreted as follow-ups. Authorized DLMS enhancement; see DLMS Introductory Note 4e. Refer to ADC 1098.
  856N REF01 LO Load Planning Number Use in 2/HL/010 shipment lops to identify the number of transactions included in the shipment.
  856N REF01 LT Lot Number
  856N REF01 TG Transportation Control Number (TCN) A 17-position alphanumeric assigned to control and manage every shipment unit throughout the transportation pipeline Must use only in 2/HL/010 shipment lops to identify the number assigned to control the shipment between the shipper and Consignee.
  856N 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/010 line item loop to identify the customer assigned transaction number for the requisition associated with the shipment unit.
  856N REF04-01 W8 Suffix Use to identify supply transaction partial actions taken on the original document without duplicating or causing loss of identity of the original document number Use with REF01 code TN to identify the transaction number suffix.
  856N LH302 C Canadian Shipping Name
  856N LH302 D Domestic (United States) Shipping Name
  856N LH302 I International Shipping Name
  856N LHR01 1I 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 the DODIC of the ammunition or explosive.
  856N LHR01 HA Competent Authority 1. Use to identify the Competent Authority Approval Number (CA) issued by the Department of Transportation. 2. The approval number format is CA-YNA, where Y=last two positions of year, N=approval number within that year, and A=optional alphanumeric designator. 3. This is only applicable when DoD requires an exception to the international performance oriented packaging rules.
  856N LHR01 HE Hazardous Exemption Number 1. Use to identify the Department of Transportation Exemption (DOT-E) Number. 2. This identifies the DOT-E exemption to any of the 49 CFR regulations for hazardous materials. 3. Normally used for domestic shipments. Can be used for international shipments, but is not guaranteed to be Accepted by international customs.
  856N LHR01 HN Hazardous Certification Number 1. Use to identify the Certification of Equivalency (COE). 2. This identifies the DoD approval when packaging design differs from the prescribed regulations in 49 CFR. It certifies that the proposed packaging design equals or exceeds the comparable requirements of 49 CFR for the commodity being shipped.
  856N DTM01 169 Product Availability Date Use in every 2/HL/010 shipment loop to identify the NOA preparation date.
  856N DTM01 601 First Submission Use in the shipment loop to identify the original NOA preparation date when the original NOA contained items which the customer rejected.
  856N DTM01 996 Required Delivery Use to accommodate legacy system requirements to identify the required availability date.
  856N N101 CI Consignor 1. Use as needed to identify the shipping activity. 2. In the PER segment, provide the consignor contact information.
  856N N101 CY Country Use to identify the designated CR to receive the transaction set.
  856N N101 IF International Freight Forwarder Use to identify the designated F to receive the transaction set.
  856N N101 ST Ship To Use to identify the Ship-To MAPAC. Authorized DLMS enhancement; see DLMS Introductory Note 4e. Refer to ADC 1098.
  856N N101 X6 International Organization Use to identify the International Logistics Control Office (ILCO) serving as the SC Implementing Agency for the shipment. The ILCO is identified by the SC Implementing Agency Code in the first position of the document number; authorized values are restricted to those identified in , Volume 2 Appendix 7.2. Authorized DLMS enhancement; see DLMS Introductory Note 4e. Refer to ADC 1098.
  856N N101 Z7 Mark-for Party Use to identify the Mark for MAPAC. Authorized DLMS enhancement; see DLMS Introductory Note 4e. Refer to ADC 1098.
  856N 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) Use to indicate the Security Assistance structured address data that identifies the CR/F to receive the NOA, the Ship To, and the Mark For. Interpretation of this data may require additional codes cited elsewhere in the transaction.
  856N N103 LC Agency Location Code (U.S. Government) Use to identify the International Logistics Control Office (ILCO) SC Implementing Agency Code. Authorized values are restricted to those identified in , Volume 2 Appendix 7.2. Authorized DLMS enhancement; see DLMS Introductory Note 4e. Refer to ADC 1098.
  856N 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
  856N N106 FR Message From Use to identify the party originating the transaction set Must use with 2/N101/20 code CI to indicate that the organization cited in N104 is originating the transaction set.
  856N N106 PK Party to Receive Copy Use with 2/N101/20 Code X6 when the organization cited in N104 is receiving an information copy of the transaction set.
  856N N106 TO Message To Use to identify the party to receive the transaction set Use with 2/N101/20 codes CY, IF, and X6 as applicable when the organization cited in N104 is receiving the transaction set.
  856N PER01 IC Information Contact Use to identify the point of contact.
  856N PER03 TE Telephone
  856N PER05 EM Electronic Mail
  856N PER07 FX Facsimile
  856N SAC01 C Charge Use for X12 syntax compliance.
  856N SAC02 C675 Entered Value Use to identify the total shipment value.
  856N YNQ01 C8 Special Servicing Required Use to indicate if the shipment contains explosives.
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