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
  511R LIN02 DR Drawing Revision Number Assigned to an updated version of a original/previously assigned drawing number 1/48
  511R LIN02 F1 Catalog Number Use to identify the manufacturer's catalog which references the nonstandard materiel Use to identify the manufacturer's catalog which references the nonstandard materiel. Cite the effective catalog publication date, if applicable, in the 2/G62/080 segment. 1/48
  511R LIN02 F2 Technical Order Number Use to identify a number assigned by a military service or defense agency organization that gives specific technical directives and information with respect to the inspection, storage, operation, modification, and maintenance of given items and equipment 1. During the legacy MILSTRIP/DLMS transition, this field will be used to perpetuate/populate the Technical Order Number/Technical Manual Number identified on MILSTRIP part-numbered requisition (corresponds to AM2/AMB with Identification Code A (rp 70). During this time, a field length greater than 10 positions may be truncated or dropped by the receiving application. 2. Under full DLMS, the field length shall be expanded to conform to this standard which allows 48 positions. DLMS-capable applications should plan to support this expanded field length as a DLMS enhancement. See introductory DLMS 3f. 1/48
  511R LIN02 F3 Technical Manual Number Use to identify a number assigned to a publication by a military service or defense agency organization which promulgates the technical instructions and information designed to meet the needs of personnel engaged in or being trained in the operation, maintenance, service, overhaul, installation and inspection of specific items of equipment and material 1/48
  511R LIN02 F4 Series Identifier Use to identify the manufacturer's series number of the applicable end item Use to identify the manufacturer's series number of the applicable end item. 1/48
  511R LIN02 F7 End-Item Description Use to identify the type for the end item 1. Use to identify the applicable end item which applies to the non-NSN materiel. Description may include the NSN of the end item and/or nomenclature. 2. During the legacy MILSTRIP/DLMS transition, this field will be used to perpetuate/populate the End Item Identification on MILSTRIP part-numbered requisition (corresponds to A02/A0B with Identification Code B (rp 70)). During this time, a field length greater than 10 positions may be truncated or dropped by the receiving application. 3. Under full DLMS, the field length shall be expanded to conform to this standard which allows 48 positions. DLMS-capable applications should plan to support this expanded field length as a DLMS enhancement. See introductory DLMS 3f. 1/48
  511R LIN02 GS General Specification Number Use to identify a specification number, other than a Military Specification (MILSPEC), associated with the nonstandard materiel Use to identify a specification number, other than a Military Specification (MILSPEC), associated with the nonstandard materiel. 1/48
  511R LIN02 MF Manufacturer Use to identify the manufacturer's make assigned by an individual, firm, company or corporation engaged in the fabrication of finished or semi-finished products for end items of nonstandard materiel Use to identify the manufacturer's make of the applicable end item for the nonstandard materiel. 1/48
  511R LIN02 MN Model Number Use as a second level identifier assigned by a manufacturer which identifies one of several types of a basic equipment Use to identify the manufacturer's model number of the applicable end item. 15/15
  511R LIN02 MS Military Specification (MILSPEC) Number use to indicate a clear, accurate description of the technical requirements for items, material or services, including the procedures by which it will be determined that the requirements have been met 1/10
  511R LIN02 PR Process Number Use to identify a general operating specification which cannot be identified by other measurement calculations; e.g., physical size and dimensions of non-standard material Use to identify a general operating specification which cannot be identified by use of the 2/MEA/105 segment. For example, the MEA use is primarily to identify physical sizes and dimensions of nonstandard materiel. Code PR use is to indicate specifications similar to output rated wattage and horsepower. 1/48
  511R LIN02 PT Print or Drawing An identifying number assigned to each print or drawing of an item of production 1. Use to identify the applicable drawing numbers for the nonstandard materiel. 2. During the legacy MILSTRIP/DLMS transition, this field will be used to perpetuate/populate the Drawing or Specification Number on MILSTRIP part-numbered requisition (corresponds to A02/A0B with Identification Code D (rp 70)). During this time, a field length greater than 10 positions may be truncated or dropped by the receiving application. 3. Under full DLMS, the field length shall be expanded to conform to this standard which allows 48 positions. DLMS-capable applications should plan to support this expanded field length as a DLMS enhancement. See introductory DLMS 3f. 1/48
  511R LIN02 PW Part Drawing Use to identify the applicable figure numbers for the nonstandard material Use to identify the applicable figure numbers for the nonstandard materiel. 1/48
  511R LIN02 SF Surface Finish Use to identify the finish of the nonstandard materiel ordered under Federal Supply Schedule Use to identify the finish of the nonstandard materiel ordered under Federal Supply Schedule. 1/48
  511R LIN02 SN Serial Number A value assigned for identification of an item Use to identify the manufacturer's serial number of the applicable end item. 1/50
  511R LIN02 VN Vendor's (Seller's) Item Number Use to indicate a item number assigned by a contractor other than a manufacturer 1/48
  511R LIN02 YP Publication Number Reference number assigned to a publication or catalog Use to identify publications or catalogs. 1/48
  511R LIN03
  511R LIN04
  511R LIN05
  511R LIN06
  511R LIN07
  511R LIN08
  511R LIN09
  511R LIN10
  511R LIN11
  511R LIN12
  511R LIN13
  511R LIN14
  511R LIN15
  511R LIN16
  511R LIN17
  511R LIN18
  511R LIN19
  511R LIN20
  511R LIN21
  511R LIN22
  511R LIN23
  511R LIN24
  511R LIN25
  511R LIN26
  511R LIN27
  511R LIN28
  511R LIN29
  511R LIN30
  511R LIN31
  511R MEA02 G Gross Weight Use to identify the maximum gross weight of the unit pack 1/20
  511R MEA02 DI Diameter Twice the length of the radius of a circle 1/20
  511R MEA02 DN Density The weight of a material for a given volume 7/7
  511R MEA02 DP Depth The measure of perpendicular distance downward from a chosen reference point 1/20
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