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 REFSorted by ascending CODE X12 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE DLMS MIN MAX
  888M N901 2P Subdivision Identifier Use to indicate the sub of a National Motor Freight Classification (NMFC) item number Use to indicate National Motor Freight Classification (NMFC) sub item number (FLIS DRN 0861). 1/1
  888M N901 3V Formation Identifier Use by the DLA Logistics Information Service to assign an approved item name Use to indicate Item Name Code (INC) (FLIS DRN 4080). 5/5
  888M N901 7L Qualified Materials List Use to designate a description and use code Use to indicate Army Material Category Description Code (FLIS DRN 2161). 1/1
  888M N901 8Y Safekeeping Account Number Use to indicate the type of funds employed within the Marine Corps in supply support operations Use to indicate Marine Corp Stores Account Code (FLIS DRN 8935). 1/1
  888M N901 8Z Alternate Clause Number Use to identify a code employed by the air force to classify items into categories by budget account for management information purposes Use to indicate Air Force Budget Code (FLIS DRN 8925). 1/1
  888M N901 AT Appropriation Number Use to account for funds made available for obligation and disbursement from the treasury Use to indicate Special Opps Appropriation Code (FLIS DRN 8941). 1/1
  888M N901 C1 Customer material specification number Use to establish that an end item is essential to the operational readiness of a weapon system or the conduct of a military mission: or that a functional part contributes to the tactical and essential operations of an end item component or assembly, and its failure would render the end item inoperable or incapable of fulfilling its mission: or that a repair or secondary depot reparable component is required for the safety and health of personnel, or is required by state or local laws Use to indicate Marine Corp Combat Essentiality Code (FLIS DRN 8935). 1/1
  888M 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 1/13
  888M N901 E1 Emergency Order Number Use to further define the Materiel Management Code Marine Corps Use to indicate Marine Corp Echelon Code (FLIS DRN 8935). 1/2
  888M 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). 1/1
  888M 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). 1/1
  888M 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 1/20
  888M N901 OX Statement Number Use to indicate Phrase Code Statement. 1/50
  888M 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). 1/1
  888M N901 SK Service Change Number Use to indicate Using Service Code Use to indicate Using Service Code. 1/50
  888M N901 SU Special Processing Code Used by U.S. Special Operations Command in combination with the position 4 code to identify specific weapons system/end item or homogeneous group of items Use to indicate Special Opps Weapon System End Item Code (FLIS DRN 8941). 2/2
  888M N901 T8 Description of Change Code Use to indicate Freight Description Use to indicate Freight Description 1/50
  888M N901 V9 Subservicer Use to designate a subgroup Use to indicate Army Material Category Subgroup Code (FLIS DRN 2167). 2/2
  888M 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 5/5
  888M N901 W9 Special Packaging Instruction Number Use to identify a number, provided by the packaging design activity, that identifies a specific Special Packaging Instruction (SPI). FLIS DRN 5175 1/1
  888M 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 4/4
  888M N901 01H Special Price Authorization Number Use to indicate Price Justification Code Use to indicate the Price Justification Code. 1/1
  888M N901 ACD Class Code Use to indicate Class Rating Code Use to indicate Class Rating Code 1/50
  888M N901 NIN National Item Identification Number Used to differentiate each individual item of supply from all other items of supply Approved for use in X12 version 5020. (FLIS DRN 2895, 8977) 9/9
  888M N901 PVC Payment Validation Code Used by the air force to indicate the validity of the recorded unit price Use this code to indicate the Air Force Price Validation Specific codes (FLIS DRN 8925). 1/1
  888M N901 X20 Special Opps Class of Supply Code Use to identify the (ten) categories into which USSOCOM supplies are grouped in order to facilitate supply management and planning 1. Use to indicate the Special Operations Class of Supply Code for cataloging (FLIS DRN 8941). 2. Approved for use in X12 version 8060. 1/1
  888M N901 X22 Army Material Category Appropriation Code Use to designate appropriation and subgrouping 1. Use to indicate the Army Material Category Appropriation Code (FLIS DRN 2163). 2. Approved for use in X12 version 8060. 1/1
  888M 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. Approved for use in X12 version 8060. 1/1
  888M N901 X24 Container National Stock Number (NSN) Used to identify the National Stock Number (NSN) assigned to a long-life reusable container 1. Use to indicate the Container NSN Number (FLIS DRN 5178). 2. Approved for use in X12 version 8060. 13/13
  888M 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. Approved for use in X12 version 8060. 1/1
  888M 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. Approved for use in X12 version 8060. 1/1
  888M 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. Approved for use in X12 version 8060. 1/1
  888M N901 X29 Marine Corps Operational Test Code Use to indicate the type of item which requires inspection and operational testing and depth of performing inspection and testing. 1. Use to indicate Marine Corp Operational Test Code (FLIS DRN 8935). 2. Approved for use in X12 version 8060. 1/1
  888N N901 80 Charge Number Use to indicate Type of Change Code (TOCC) Use to indicate the Type of Change Code (TOCC). 1/50
  888N N901 GP Government Priority Number Use to indicate the relative importance of a specific function, mission, project or program which requires item data support 1. Use to indicate Priority Indicator Code (PIC) (FLIS DRN 2867). 2. PIC is mandatory. 1/1
  888N N901 MZ Maintenance Request Number Use to indicate Maintenance Code Use to indicate Maintenance Code 1/50
  888N N901 SE Serial Number A value assigned for identification of an item 1/50
  888N N901 W2 Weapon System Number Identifies a three-position alphanumeric code used by the Defense Logistics Agency (DLA) within its Weapon System Support Program (WSSP). It is comprised of a two-position Weapon System Designator (WSD) and a one-position Service Code (SVC)/Activity Use to indicate the Weapons System Designator Code (FLIS DRN 3888). 3/3
  888N N901 PLI Department of Defense Provisioning Line Item Sequence Use for a sequentially assigned code for each physical item of equipment and its components 1) Use to indicate Provisioning Line Item Sequence Number (PLISN). 2) Approved for use in X12 version 6020. 1/50
  888N N901 PVS Provisioning Control Code Use during the provisioning process to determine the range and depth of support items for a system or equipment A data maintenance action was approved in version 5030 (FLIS DRN 3719). 3/3
  888N N901 X21 Provisioning Control Code Number Use to indicate the cataloging Provisioning Control Code Number. 1. Use to indicate the cataloging Provisioning Control Code Number. 2. A data maintenance action was approved in version 8060. 1/50
  888N N901 07 Add-On System Number Use to indicate Manufacturing Method Code Use to indicate Manufacturing Method Code 1/50
  888N N901 2P Subdivision Identifier Use to indicate the sub of a National Motor Freight Classification (NMFC) item number Use to indicate National Motor Freight Classification (NMFC) sub item number (FLIS DRN 0861). 1/1
  888N N901 3V Formation Identifier Use by the DLA Logistics Information Service to assign an approved item name Use to indicate Item Name Code (INC) (FLIS DRN 4080). 5/5
  888N N901 7L Qualified Materials List Use to designate a description and use code Use to indicate Army Material Category Description Code (FLIS DRN 2161). 1/1
  888N N901 8Y Safekeeping Account Number Use to indicate the type of funds employed within the Marine Corps in supply support operations Use to indicate Marine Corp Stores Account Code (FLIS DRN 8935). 1/1
  888N N901 8Z Alternate Clause Number Use to identify a code employed by the air force to classify items into categories by budget account for management information purposes Use to indicate Air Force Budget Code (FLIS DRN 8925). 1/1
  888N N901 AT Appropriation Number Use to account for funds made available for obligation and disbursement from the treasury Use to indicate Special Opps Appropriation Code (FLIS DRN 8941). 1/1
  888N N901 C1 Customer material specification number Use to establish that an end item is essential to the operational readiness of a weapon system or the conduct of a military mission: or that a functional part contributes to the tactical and essential operations of an end item component or assembly, and its failure would render the end item inoperable or incapable of fulfilling its mission: or that a repair or secondary depot reparable component is required for the safety and health of personnel, or is required by state or local laws Use to indicate Marine Corp Combat Essentiality Code (FLIS DRN 8935). 1/1
  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. 1/13
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