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
  650A 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 Use to identify the customer's document number. 14/14
  650A REF01 WO Work Order Number For Medical use in transactions to identify the Build Directive Number for medical/surgical component assembly. A data maintenance action was approved in version 5010. The approved code/name is “BDN - Build Directive Number”.
  650A REF02
  650A DTM01 RFD Requested Finish Use to identify the Build Completion Date for medical/surgical component assembly For Medical use in transactions to identify the Build Completion Date for medical/surgical component assembly. 8/8
  650A DTM02
  650A N101 ST Ship To Used to identify a organization to which material is shipped as identified in the requisition or other initiating transaction For Medical use in transactions to identify the assembly final destination. 1/60
  650A N101 WZ Final Maintenance Organization Use to communicate that the customer/site does not expect additional receipts 1. For Medical use transactions to identify [final] assembly/maintenance organization for medical/surgical component assembly. This organization will complete kit assemblies and ship to final destination activity. 2. This qualifier represents the Assembly Activity. 1/60
  650A N101 Z4 Owning Inventory Control Point Use to indicate the source of supply 1. For Medical use in transactions to identify the supply source. 2. This qualifier represents the Assembly Manager. 1/60
  650A N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations DLMS enhancement; see introductory DLMS note 3a. 6/6
  650A 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 3/3
  650A N104
  650A N106 FR Message From Use to identify the party originating the transaction set Use with the appropriate 1/N101/0500 code to indicate that the organization cited in N104 is originating the transaction set. 1/60
  650A N106 TO Message To Use to identify the party to receive the transaction set Use with the appropriate 1/N101/0500 code to indicate that the organization cited in N104 is the action organization receiving the transaction set. 1/60
  650A HL01
  650A HL02
  650A HL03 A Assembly For Medical use in Assemblage Control Data (DIC C2B) loop.
  650A HL03 F Component For Medical use in Component Data (DIC C2D) loop.
  650A HL03 EN End Item For Medical use in End Item Data (lDIC C2A) loop.
  650A HL04
  650A REF01 55 Sequence Number A unique identifier assigned to an item, task, or process to denote its specific order or position within a larger sequence For Medical use in Component Data loops to identify the Sort Sequence. 1/30
  650A REF01 QQ Unit Number Use to identify the Assembly Control Number for medical/surgical component assembly For Medical use in Assemblage Control Data loops to identify the Assembly Control Number for medical/surgical component assembly. A data maintenance action was approved in version 5010. The approved code/name is “CAN – Assembly Control Number”. 1/50
  650A REF02
  650A LIN02 A3 Locally Assigned Control Number Must use with the Assemblage Control Data (C2B) loop, to identify the Assemblage Identification Number (AIN).
  650A LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification Must use with the Component Data (C2D) loop only, to identify the stock number. 13/13
  650A LIN02 SW Stock Number Use to identify a unique identifier for a product in a warehouse or inventory system Must use with the End Item Data (C2A) loop only, to identify the End Item Stock Number. 13/13
  650A LIN03
  650A LIN04 OE Original Equipment Number Use to identify the Original Component Stock Number for medical/surgical component assembly Use in Component Data loops to identify the Original Component Stock Number for medical/surgical component assembly. 1/48
  650A LIN05
  650A LIN06 N4 National Drug Code in 5-4-2 Format The 10-digit NDC will be in one of the following configurations: 4-4-2, 5-3-2, or 5-4-1, meaning that there are 4 or 5 digits for the labeler code, 4 or 3 digits for the product code and 2 or 1 digit(s) for the package code Use only to identify a National Drug Code. NSN must be identified in LIN02/03. 10/10
  650A LIN06 VC Vendor's (Seller's) Catalog Number Use to indicate a catalog number assigned by a contractor other than a manufacturer Use only to identify the Prime Vendor's Catalog Number. NSN must be identified in LIN02/03. 1/48
  650A LIN06 VP Vendor's (Seller's) Part Number Use to indicate a part number assigned by a contractor other than a manufacturer Use only to identify the Prime Vendor's Part Number. NSN must be identified in LIN02/03. 1/48
  650A LIN07
  650A QTY01 63 On Order Quantity Use for Materiel Obligation Validation (MOV) requests to indicate the unfilled quantity of items being validated by the source of supply 1. Use to identify the number of assemblies being requested, Total Number of Assemblages in End Item Data loop. 2. Use to identify the quantity of each component that is to be placed in an assembly, Basic Quantity in the Component Data loop. 1/15
  650A QTY01 AP Order Quantity Multiple Use to identify the Extended Quantity of a component part in an assembly in the Component Data loop Use to identify the Extended Quantity of a component part in an assembly in the Component Data loop. 1/15
  650A QTY01 SH Shortage Use to identify the Quantity Authorized Short of a component part in an assembly Use to identify the Quantity Authorized Short of a component part in an assembly in the Component Data loop. 1/15
  650A QTY01 T5 Total Number of Units Use to identify the total number of lines in the Assemblage Identification Number (AIN) Use as needed in the end item data loop to identify the total number of lines in the Assemblage Identification Number (AIN). 1/15
  650A QTY02
  650A QTY03
  650A QTY03-01
  650A QTY03-04
  650A QTY03-06
  650A YNQ01 ZZ Mutually Defined Use in Component Data (C2D) loops to identify the Inspection Required Indicator for medical/surgical component assembly. A data maintenance action was approved in version 5030. The approved code/name is "CAI – Component Assembly Inspection Required".
  650A YNQ02
  650A AMT01 TC Proposed Cost Use to identify the Assembly Estimated Cost Use in End Item Data loop to identify the Assembly Estimated Cost. 1/18
  650A AMT02
  650A AMT03
  650A MEA01 PD Physical Dimensions Use in the Component Data loop to define the Unit Cube being passed in MEA03.
  650A MEA01 WT Weights Use to indicate Assembly Unit of Issue Weight Use in the Component Data loop to define the Assembly Unit of Issue Weight being passed in MEA03.
  650A MEA02 U Weight per Unit Use to indicate the weight of a single unit of a product or the weight of a material per unit volume Use in the Component Data loop to define the Assembly Unit of Issue Weight being passed in MEA03. 1/20
  650A MEA02 UCB Cube Use to identify the maximum cube of the unit pack Use in the Component Data loops to define the Unit Cube being passed in MEA03. 1/20
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