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
  856P LIN01 N/A
  856P LIN02 A3 Locally Assigned Control Number Use to identify the Item identifier for a locally assigned control number to catalog and manage material 1/48
  856P LIN02 AK Refined Product Code Use to idenitify a code that specifies a product's refinement designation 1/48
  856P LIN02 B8 Batch Number Use to indicate the batch/lot number or the number identifying the production run 1/48
  856P LIN02 CG Commodity Grouping Use to indicate a commodity code which is a globally recognized number that identifies a product or service for customs, trade, or other purposes 1/48
  856P LIN02 CH Country of Origin Code An alphabetic code that represents a country 1/48
  856P LIN02 CL Color A free-form description of the color 1/30
  856P LIN02 CN Commodity Name Name or description of material item 1/48
  856P LIN02 EF Exhibit Identifier Use to identify and track information related to contract exhibits and line items 1/48
  856P LIN02 F7 End-Item Description Use to identify the type for the end item 1/48
  856P LIN02 F8 Next Higher Used Assembly Identifies the next higher assembly 1/48
  856P LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  856P 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 4/4
  856P LIN02 IB International Standard Book Number (ISBN) "Use to identify title or unique edition of product by International Standard Book Number (ISBN)" Use to identify title or unique edition of product by ISBN. The ISBN is a variable length alpha numeric code with maximum of 13 positions. 1/13
  856P LIN02 IN Buyer's Item Number Use to indicate a locally assigned code for a product or service whenever stock number does not apply 1/48
  856P LIN02 KA Engineering Data List Use to indicate the Engineering Data List that contains technical information relating to the Contract Line or Subline Item Number 1/48
  856P LIN02 KB Data Category Code Use to indicate the data category of a Contract Data Requirements List 1/48
  856P LIN02 KD Replacement National Stock Number Use to identify the substitute or superseding National Stock Number (NSN) when the requested materiel is either not available or obsolete 13/13
  856P LIN02 KF Item Type Number Use to identify the Unique Item Identifier (UII) type per unique identification (UID) guidance 1/48
  856P LIN02 KG Time Compliant Technical Order A directive that provides instructions to perform one-time inspections, modifications, or changes to equipment 1/48
  856P LIN02 KI Cognizance Symbol Use for internal Navy management purposes to classify items by technical program, type of fund, and to indicate the cognizant Inventory Control Point (ICP) and technically responsible command 2/2
  856P LIN02 KJ Material Control Code Use to denote the expendability, repairability, recoverability, and cost category employed in the management of an item of supply within the Navy 1/1
  856P LIN02 KK Special Material Identification Code Use as a supplement to the national stock number to provide visibility to designated items to ensure maintenance of their technical integrity 2/2
  856P LIN02 KL Item Management Code Use to indicate whether an item of supply shall be subject to integrated management or shall be retained by the individual military service or other DoD Component for their management 1/1
  856P LIN02 KM Shelf-Life Code Use to indicate the storage time period or perishability of an item 1/48
  856P LIN02 KN Shelf-Life Action Code Use to denote the action to be taken for an item at the expiration of the shelf life period indicated by the shelf life code 2/2
  856P LIN02 LT Lot Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying lot number 2/20
  856P 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 1/48
  856P LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production 1/32
  856P LIN02 MN Model Number Use as a second level identifier assigned by a manufacturer which identifies one of several types of a basic equipment 15/15
  856P LIN02 N1 National Drug Code in 4-4-2 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 10/10
  856P LIN02 N2 National Drug Code in 5-3-2 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 10/10
  856P LIN02 N3 National Drug Code in 5-4-1 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 10/10
  856P LIN02 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 10/10
  856P LIN02 ND National Drug Code (NDC) Used to identify a human drug in the United States 10/10
  856P LIN02 PD Part Number Description Use to describe the noun of the item nomenclature Use code PD when the line item cannot be identified by using one of the other listed codes. When used, describe the item in the associated Product/Service ID, DE 234. 1/48
  856P LIN02 PU Part Reference Number Use to identify Next Higher Assembly Part Number 1/48
  856P LIN02 RC Returnable Container Number Use to identify a specific type of container which may be collapsed when the item enclosed is withdrawn in order that the container may be returned to point of origin in knocked down condition 1/48
  856P LIN02 SN Serial Number A value assigned for identification of an item 1/50
  856P LIN02 ST Style Number Use to indicate a manufacturer's style identifier 1/48
  856P LIN02 SV Service Rendered Use to describe a service line item performed for any Service or Agency Use to describe a service line item performed for any Service or Agency. When used, provide a text description in no more than 20 characters in the paired data element 234. 1/20
  856P LIN02 SW Stock Number Use to identify a unique identifier for a product in a warehouse or inventory system 13/13
  856P LIN02 SZ Vendor Alphanumeric Size Code Use to indicate the size of an item being ordered 1/48
  856P LIN02 TP Product Type Code For clothing and footwear, use to identify the NSN when the materiel requested represents a generic requirement for which the quantity should be distributed across a predefined range of sizes 13/13
  856P LIN02 UA U.P.C./EAN Case Code (2-5-5) A product/service ID qualifier that identifies a case code 1/48
  856P LIN02 UE U.P.C./EAN Module Code (2-5-5) Use as an identifier for trade items 1/48
  856P LIN02 UK GTIN-14 Use to identify the 14-digit GS1 Identification Key composed of an Indicator Digit, GS1 Company Prefix, Item Reference and Check Digit trade items Use to identify the UPC associated with the shipping container when the container is purchased on this line item. 14/14
  856P LIN02 UX Universal Product Number A unique number and barcode that identifies a product and is used to track it throughout the supply chain 1/48
  856P LIN02 VC Vendor's (Seller's) Catalog Number Use to indicate a catalog number assigned by a contractor other than a manufacturer Use to identify vendor item catalog number. 1/48
  856P LIN02 VI Vary Item Product Number Use to indicate a non-catalog number 1/48
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