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
  832N LIN10 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 Identifies the two digit code specifying the type of inspection test or restorative action to be taken when an item has reached its storage shelf life and of any extension of the shelf life time period after the test or restorative has been completed. (FLIS DRN 1485) 2/2
  832N LIN11
  832N LIN12 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 Used for special inventory reporting. Segregates inventory into manageable groups (i.e. fast, medium, or slow) or to relate to field activities special reporting or control requirements. (FLIS data applicable to DLRs, FLIS DRN 2611) 1/1
  832N LIN13
  832N LIN14 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 Used to categorize materiel on the basis of requirements for source or quality control, technical data or configuration control, procurement, stocking and issue control. (FLIS DRN 2834) 2/2
  832N LIN15
  832N LIN16 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 FLIS DRN 2608 2/2
  832N LIN17
  832N LIN18 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 1. Use with the Catalog Purpose Code RN to identify the replacement NSN when stock for requested NSN has been exhausted. The original NSN must be identified in 2/LIN02-03. 2. Use with the Catalog Purpose Code NS to identify the replacement NSN when original NSN has been superseded. The original NSN must be identified in 2/LIN02-03. 3. Use with the Catalog Purpose Code RS to identify the NSN to be used when original NSN has been exhausted. The original NSN must be identified in 2/LIN02-03. 13/13
  832N LIN19
  832N LIN20 FY Department of Defense Line Item Number Use for Air Force Government Furnished Property (GFP)-A to identify the Line Item Number/Table of Authorized Material Control Number 1. Use for Air Force GFP-A to identify the Line Item Number/Table of Authorized Material Control Number. 2. Local code FY is established for use in the 832N, version 4030. A data maintenance action will be submitted to establish ‘FY- Line Item Number/Table of Authorized Material Control Number Line Item Number/Table of Authorized Material Control Number' in a future version. 3. Code values are available at https://dpassupport.golearnportal.org/index.php/resource-center/downloads/category/97-dpas-lookup-values 1/48
  832N LIN21
  832N LIN22 FZ Reportable Commodity Type Use when value changes to identify a specific commodity type for the type of equipment and materiel to be issued to a unit or individual 1. For Air Force GFP-A, must use when LIN01 = LA. Otherwise, use only when value changes to identify a specific commodity type for the type of equipment and materiel to be issued to a unit or individual. Refer to ADCs 1227 and 1227B. 2. Local code FZ is established for use in the 832N, version 4030. A data maintenance action will be submitted to establish ‘FZ- Reportable Commodity Type ' in a future version. 1/48
  832N LIN23
  832N LIN24 G1 Security Commodity Type Use when value changes to identify a specific commodity type for the type of equipment and materiel to be issued to a unit or individual 1. For Air Force GFP-A, must use when LIN01 = LA. Otherwise, use only when value changes to identify a specific commodity type for the type of equipment and materiel to be issued to a unit or individual. Refer to ADC 1227 and ADC 1227B. 2. Local code G1 is established for use in the 832N, version 4030. A data maintenance action will be submitted to establish ‘G1- Security Commodity Type' in a future version. 1/48
  832N LIN25
  832N LIN26 G2 Asset Sub-Category Use when value changes to identify an asset sub-category based on depreciation rules 1. For Air Force GFP-A, must use when LIN01 = LA. Otherwise, use only when value changes to identify an asset sub-category in the Air Force APSR based on depreciation rules. Must correspond with the correct Asset Category Code. Refer to ADC 1227 and ADC 1227B. 2. Local code G2 is established for use in the 832N, version 4030. A data maintenance action will be submitted to establish ‘G2- Asset Sub-Category' in a future version. 1/48
  832N LIN27
  832N LIN28 UC Product Variant Use to identify a specific version or modification of an existing weapons system that incorporates changes or improvements to enhance its performance, capabilities, or suitability for a particular role or environment Use to identify Weapon System Variant. 1/48
  832N LIN29
  832N DTM01 092 Contract Effective Use to identify date the of the contract award Use to identify date of the contract award. Refer to ADC 1234. 8/8
  832N DTM01 093 Contract Expiration Use to advise the DLA Disposition Services Field Office which scrap items are going to expire on the scrap sales contract Use to advise the DLA Disposition Services Field Office which scrap items are going to expire on the scrap sales contract. The date listed will be the last day that item is valid for the contract. Refer to ADC 1234. 8/8
  832N DTM01 166 Message Use to enable users to identify the transaction date when transmitting material master records to the Accountable Property System of Record (APSR) Use to enable users to identify the transaction date when transmitting material master records to the APSR. 8/8
  832N DTM01 171 Revision Use to identify a revision or reclassification date Use to advise the DLA Disposition Services Field Office of any authorized contract extensions for scrap sales contractors. Refer to ADC 1234. 8/8
  832N DTM01 276 Contract Start Use to advise the DLA Disposition Services Field Office the authorized start date for scrap sales contractor pick-up Use to advise the DLA Disposition Services Field Office the authorized start date for scrap sales contractor pick-up. Refer to ADC 1234. 8/8
  832N DTM02
  832N REF01 18 Plan Number "Use to identify the protection document number (document number under which the materiel is protected)" Identifies the Collaboration Planner Code. This code identifies the industrial site collaboration planner that is responsible for the item by the individual’s role code. 1/30
  832N REF01 2S Catalog Must use for Air Force GFP-A to identify the name of the catalog the stock number record is assigned to. Length restricted to 20 characters in the Air Force APSR. Refer to ADC 1227.
  832N REF01 6L Agent Contract Number Use in Government Furnished Property (GFP)-related transactions to identify the procurement instrument identifier (PIID) applicable to the contract authorizing the contractor to have custody of Government Furnished Property (GFP) Must use in GFP-related transactions to identify the procurement instrument identifier (PIID) applicable to the contract authorizing the contractor to perform on behalf of the government. 13/13
  832N REF01 6M Application Number Identifies Local Application Code which indicates how the materiel is processed in shop stores Identifies Local Application Code which indicates how the materiel is processed in shop stores. Recognized by the program to inhibit automatic replenishment. 1/50
  832N REF01 AS Acceptable Source Supplier ID Use to Identify the source of materiel as S for Supply, P for Local Purchase, and M for Local Manufacturing Identifies the source of materiel as S for Supply, P for Local Purchase, and M for Local Manufacturing. 1/1
  832N REF01 DG Drawing Number An identification number for the applicable drawing or specification number for nonstandard materiel 1/48
  832N REF01 LW Location Within Equipment Identifies the Navy Commodity Code Identifies the Navy Commodity Code. This is a FRC unique requirement. 1/60
  832N REF01 MF Manufacturers Part Number A number assigned by a manufacturer to an item of production 1. Use to identify the part number when the primary identification is an LSN. Identify the CAGE in REF-04. 2. For Navy FRC, this may be the value originally provided by DLA as the drawing reference number (REF01 Code QZ) or, if not available, the drawing number (REF01 Code DG), remapped to this position by DLA Transaction Services to facilitate Navy processing of this transaction. Refer to ADC 1135. 1/30
  832N REF01 NS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 1. Use to identify the cross-reference NSN when the primary identification is a part number/CAGE or LSN. 2. Use multiple iterations in response to a part-number query where multiple matching NSNs are identified. 13/13
  832N REF01 NZ Critical Application Indicates that the item has a critical application Identifies Critical Safety Item - Yes/No Flag. Cite Y or N. 1/1
  832N REF01 QI Quality Inspection Area Identifier Identifies Inspection Required At Destination Identifies Inspection Required At Destination - Yes/No Flag. Cite Y or N. This code is site specific. 1/1
  832N REF01 QZ Reference Drawing Number Use to indicate the specific item within the drawing being referenced Identifies the Detailed Drawing Piece Number. Indicates the specific item within the drawing being referenced. 1/50
  832N REF01 S6 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) in response to a part number query where a matching LSN is identified. 2. May be used to identify the previously assigned LSN when a unit of use LSN is being established for the previously assigned LSN applicable to non-LSN materiel. 3. Use for Air Force GFP-A to identify the previous LSN used as a reference for the current catalog entry. Refer to ADC 1227. 13/13
  832N 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 enable users to identify the unique document number when transmitting material master records to the APSR. 14/14
  832N REF01 WL Federal Supply Classification Code Use to identify 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. The first two digits identify the federal supply group and the last two digits identify the specific class within the specified group Must use for Air Force GFP-A to identify the FSC of an asset. Refer to ADC 1227. 4/4
  832N REF01 XA Substitute National Stock Number Use to identify the acceptable substitute National Stock Number (NSN) Use with the Catalog Purpose Code SN. The original NSN must be identified in 2/LIN/0100. 13/13
  832N REF01 YD Buyer Identification Use to identify the industrial site collaboration buyer that is responsible for the item by the individual’s role code Identifies the Collaboration Buyer Code. This code identifies the industrial site collaboration buyer that is responsible for the item by the individual’s role code. 1/50
  832N REF01 ZM Manufacturer Number Use to identify the manufacturer Use to identify the manufacturer’s CAGE Code associated with the drawing number. 5/5
  832N REF01 ACK Drawing Revision Number Use to identify a specific revision number to a specific drawing when the requirement is for a lesser revision than is currently identified to the NSN 1. Use with the Drawing Number (qualifier DG) to identify the Drawing Revision Number. 2. Use to identify a specific revision number to a specific drawing when the requirement is for a lesser revision than is currently identified to the NSN.
  832N REF01 FCN Assigned Contract Number Use to identify the sales contract number Use only with the Catalog Purpose Code SC to identify the sales contract number. (Field length equal to 10 characters.) 10/10
  832N REF02
  832N REF04
  832N REF04-01 W7 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 part number to identify the manufacturer’s CAGE. 2. Where authorized, use the 2/N101-02/2300 to provide the manufacturer/supply name if the manufacturer’s CAGE is not known or not assigned. 3. For Navy FRC, this may be the value originally provided by DLA as the drawing number CAGE (REF01 Code ZM) remapped to this position by DLA Transaction Services to facilitate Navy processing of this transaction. Refer to ADC 1135. 5/5
  832N REF04-01 BCI Basic Contract Line Item Number Use to identify the Sales Contract Line Item Number Use only in conjunction with the sales contract number (REF01=FCN) to identify the sales contract number line item number. 6/6
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