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
  888N N901 C1 Customer material specification number Use to indicate Marine Corp Combat Essentiality Code Use to indicate Marine Corp Combat Essentiality Code (FLIS DRN 8935).
  888N N901 CT Contract Number A standard unique identification of a DoD procurement contract (contract number) that specifically differentiates one contract from all other contracts Use to indicate LTC Contract Number.
  888N N901 E1 Emergency Order Number Use to indicate Marine Corp Echelon Code (FLIS DRN 8935).
  888N N901 GH Identification Card Serial Number Use to identify whether or not an item is subject to serial number control. Use to indicate Coast Guard Serial Number Control Code (FLIS DRN 0707).
  888N N901 NH Rate Card Number Use to denote the less than carload rating applicable to the recorded item of supply under uniform freight classification Use to indicate Less than carload rating code (FLIS DRN 2760).
  888N N901 NJ Technical Document Number Use to identify a technical document related or applied to a national stock number as specified through the phrase code FLIS DRN 2893
  888N N901 OX Statement Number Use to indicate Phrase Code Statement.
  888N N901 RC Rail Routing Code Use to indicate that a variance exists between the national motor freight classification code and the uniform freight classification code descriptions, requiring the activity to make a determination as to which description applies Use to indicate Rail Variation Code (FLIS DRN 4760).
  888N N901 SK Service Change Number Use to indicate Using Service Code Use to indicate Using Service Code.
  888N N901 SU Special Processing Code Use to indicate Special Opps Weapon System End Item Code Use to indicate Special Opps Weapon System End Item Code (FLIS DRN 8941).
  888N N901 T8 Description of Change Code Use to indicate Freight Description Use to indicate Freight Description
  888N N901 V9 Subservicer Use to designate a subgroup Use to indicate Army Material Category Subgroup Code (FLIS DRN 2167).
  888N N901 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 FLIS DRN 9250
  888N N901 W9 Special Packaging Instruction Number Use to identify the number of the special packaging instruction FLIS DRN 5175
  888N N901 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 FLIS DRN 3990
  888N N901 01H Special Price Authorization Number Use to indicate Price Justification Code Use to indicate Price Justification Code.
  888N N901 ACD Class Code Use to indicate Class Rating Code Use to indicate Class Rating Code
  888N N901 NIN National Item Identification Number Used to differentiate each individual item of supply from all other items of supply A data maintenance action was approved in version 5020. (FLIS DRN 2895, 8977)
  888N N901 PVC Payment Validation Code Use this code to indicate the Air Force Price Validation Code Specific codes (FLIS DRN 8925).
  888N N901 X20 Special Opps Class of Supply Code Use to indicate the Special Operations Class of Supply Code for cataloging 1. Use to indicate the Special Operations Class of Supply Code for cataloging (FLIS DRN 8941). 2. A data maintenance action was approved in version 8060.
  888N N901 X22 Army Material Category Appropriation Code Use to indicate the Army Material Category Appropriation Code 1. Use to indicate the Army Material Category Appropriation Code (FLIS DRN 2163). 2. A data maintenance action was approved in version 8060.
  888N N901 X23 Coast Guard Inventory Account Code Use to designate the inventory account in which an item is held in the Coast Guard supply system 1. Use to indicate the Coast Guard Inventory Account Code (FLIS DRN 0707). 2. A data maintenance action was approved in version 8060.
  888N N901 X24 Container National Stock Number (NSN) Use to indicate the Container NSN Number 1. Use to indicate the Container NSN Number (FLIS DRN 5178). 2. A data maintenance action was approved in version 8060.
  888N N901 X25 Cataloging Document Availability Code Use to establish the type and availability of technical documentation. numeric codes indicate type and availability of the documents to originator at time of submission of reference number and item identification cataloging transactions 1. Use to indicate the cataloging Document Availability Code (FLIS DRN 2640). 2. A data maintenance action was approved in version 8060.
  888N N901 X26 Cataloging Item Standardization Code Use to represent the item standardization decision on individual items 1. Use to indicate the cataloging Item Standardization code (FLIS DRN 2650). 2. A data maintenance action was approved in version 8060.
  888N N901 X27 Item Unique identification Identifier Use to identify that the item is required to be specifically marked IAW MIL-STD-130M ""Identification Marking OF U.S. Military Property"" and managed as required by DOD 4140.1-R ""Dod Supply Chain Materiel Management Regulation"", DODI 8320-04 ""Item Unique Identification (IUID) Standards For Tangible Personal Property"" and DODI 4151.19 ""Serialized Item Management(SIM) For Materiel Maintenance”” 1. Use to indicate the cataloging Item Unique Identification Identifier (FLIS DRN 3585). 2. A data maintenance action was approved in version 8060.
  888N N901 X29 Marine Corps Operational Test Code 1. Use to indicate the USMC Operational Test Code for cataloging (FLIS DRN 8935). 2. A data maintenance action was approved in version 8060.
  888N N902
  888N N904
  888N N907
  888N N907-01 R1 Current Revision Number Use to identify the special packaging instruction revision suffix Use to indicate Special Packaging Instructions Revision Number (SPI) (FLIS DRN 5176).
  888N N907-01 X15 Cataloging Unique Item Tracking Use to provide a standard DoD means to systematically identify that an item is reportable in accordance with DoD 4140.1-R 1. Use to indicate the cataloging Unique Item Tracking (FLIS DRN 1010). 2. A data maintenance action was approved in version 8060.
  888N N907-01 X16 Cataloging Item Name A unique or standardized identifier used to designate a specific product, part, or object 1. Use to indicate the cataloging Item Name (FLIS DRN 5020). 2. A data maintenance action was approved in version 8060.
  888N N907-02
  888N MEA01 PK Package Dimensions
  888N MEA02 5F Height above Ground Use to indicate the height of the number (multiple) of bare (unpackaged) items to be contained in the pack Use to indicate Unpackaged Unit Pack Height (FLIS DRN 5158)
  888N MEA02 HT Height Use to indicate the maximum outside height of the unit pack Use to indicate Unit Pack Height (FLIS DRN 5154)
  888N MEA02 LN Length Use to indicate the maximum outside length of the unit pack Use to indicate Unit Pack Length (FLIS DRN 5154)
  888N MEA02 LO Long Length Use to indicate the length of the number (multiple) of bare (unpackaged) items to be contained in the pack Use to indicate Unpackaged Length (FLIS DRN 5158)
  888N MEA02 LW Long Width Use to indicate the width of the number (multiple) of bare (unpackaged) items to be contained in the pack Use to indicate Unpackaged Width (FLIS DRN 5158)
  888N MEA02 WD Width Use to indicate the maximum outside width of the unit pack Use to indicate Unit Pack Width (FLIS DRN 5154)
  888N MEA02 WT Weight Use to indicate the maximum gross weight of the unit pack Use to indicate Unit Pack Weight (FLIS DRN 5153)
  888N MEA02 UCB Cube Use to identify the maximum cube of the unit pack Use to indicate the maximum cube of the unit pack (FLIS DRN 5155).
  888N MEA02 UPW Units Per Weight Use to indicate the actual weight of the number (multiples) of bare (unpackaged) items to be contained in the unit pack 1. Use to indicate the Unpackaged Unit Pack Weight (FLIS DRN 5157) 2. A data maintenance action was approved in version 5030.
  888N MEA03
  888N MEA04
  888N MEA04-01
  888N N101 33 Inquiry Address Use to designate the activity which has acknowledged the possession or non-possession of a drawing or technical documentation Use to indicate Reference Number Activity Address Code (RNAAC) (FLIS DRN 2900).
  888N N101 69 Repairing Outlet Use to designate the organic or contract activity source to provide depot maintenance of equipment Use to indicate Depot Source of Repair (FLIS DRN 0903).
  888N N101 H9 Designer Use to indicate Packaging Design Activity Code Use to indicate Packaging Design Activity Code (FLIS DRN 5179).
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