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
  536L LQ01 83 Supply Condition Code Classifies materiel in terms of readiness for issue and use or to identify action underway to change the status of materiel Must use in every 2/HL/010 item loop to identify the materiel condition of the on hand quantity reported. 1/1
  536L LQ01 99 Purpose Code Provides the owner of materiel with a means of identifying the purpose or reason for which an inventory balance is reserved 1. Use in 2/HL/010 item loops to identify the purpose of the on hand quantity reported. 2. DLMS enhancement; see introductory DLMS note 4a. 1/1
  536L LQ01 A1 Ownership Code Provides a means of segmenting inventory balances, accounted for in inventory control records of a Military Service/DLA, but which are owned by others Use in the 2/HL/010 item loops to identify the ownership of the on hand quantity reported. 1/1
  536L LQ01 A9 Supplemental Data A distinctive identification of specific units, activities and organizations within the Department of Defense (DoD), commercial activities which enter into materiel and service contracts with the DoD and activities of other Federal agencies which maintain logistics support arrangements with the DoD 1. Use to identify supplemental address/data. 2. Future streamlined data; see introductory DLMS note 4c. 6/6
  536L LQ01 AH Acquisition Method Suffix Code A single digit alpha code, assigned by a DoD activity, that provides the contracting officer and other Government personnel with engineering, manufacturing, and technical information Use in the 2/HL/010 contract loop. 1/1
  536L LQ01 AI Acquisition Method Code Use to identify a code reflecting the decision of the Primary Inventory Control Activity (PICA) from a planned procurement review Use in the 2/HL/010 contract loop. 1/1
  536L LQ01 AJ Utilization Code Use to identify a specialized purpose of the transaction 1. Under DLSS, this is the first position of the document serial number. 2. DLMS enhancement; see introductory DLMS note 4a. 1/1
  536L LQ01 AL Special Requirements Code Use to identify precedence, special handling, and processing requirements 1. Under DLSS, this is carried in the required delivery date field. 2. DLMS enhancement; see introductory DLMS note 4a. 1/3
  536L LQ01 EH Type Due-In Indicator Identifies the type of due-in Must use in every 2/HL/010 order loop to identify the type due-in indicator code for the due-in quantity reported. 1/1
  536L LQ01 EV Review Period Indicator Code Use to identify the review period relative to the Effective Transfer Date Must use in every 2/HL/010 product description loop. 1/1
  536L LQ01 EZ Type Inspection Code Identifies the level of quality control Use in the 2/HL/010 product description loop, only for review periods 1 and 2. 1/1
  536L LQ01 FF Essentiality Code A value that indicates the importance of an item to a military mission or the operational readiness of a weapon system Use in the 2/HL/010 product description loop, only for review periods 1 and 2. 1/30
  536L LQ01 FG Source Maintenance and Recoverability Code Use to indicate whether or not the item has reparable characteristics and whether or not the item has been subjected to reparable characteristics review Use in the 2/HL/010 product description loop, only for review periods 1 and 2. 1/1
  536L LQ01 GQ Group Qualifier Code Use to identify the Materiel Management Aggregation Code (MMAC) for National Stock Number (NSN) to be managed by a specific manager (i.e., system, program, aggregation, selected FSC, technology group) Use to identify the Material Management Aggregation Code (MMAC) for NSNs to be managed by a specific manager (i.e., System, program, aggregation, selected FSC, technology group). This is an Air Force-unique data element meaningful to the Air Force only. Non-Air Force components perpetuate without action. A data maintenance action was approved in version 5010. The approved code/name is "MAC – Material Management Aggregation Code". The code source is identified as the Air Force Manual (AFMAN) 23-110, Volumes 1 and 2. 2/2
  536L LQ01 COG 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 1. Use to identify the material cognizance symbol (COG) of the end item. Indicate NSL for non-stock numbered listed items. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 2. DLMS enhancement. 2/2
  536L LQ01 IMC 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. Use to identify the Item Management Code (IMC) for integrated material management. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 2. DLMS enhancement. 1/1
  536L LQ01 MCC 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. Use to identify the Material Control Code (MCC) for special inventory reporting. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 2. DLMS enhancement. 1/1
  536L LQ01 SMI Special Material Identification Code Use to categorize material on the basis of requirements for source or quality control; technical design or configuration control; procurement, stocking, and issue control; special receipt, inspection, testing, storage, or handling 1. Use to identify the Special Material Identification Code (SMIC) for an end item. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 2. DLMS enhancement. 2/2
  536L LQ02
  536L N101 C4 Contract Administration Office Use to identify an International Logistics Communication System (ILCS) account to electronically transmit and receive logistics data between the foreign military sales and the US DoD supply systems Use in the 2/HL/010 contract loop to identify the applicable contract administration services component identifier. 7/7
  536L N101 DG Design Engineering Use in the 2/HL/010 contract loop to identify the original equipment manufacturer or design control activity.
  536L N101 MF Manufacturer of Goods Use to identify the manufacturer of the identified item 1. Must use in every 2/HL/010 quality characteristics loop to identify the manufacturer or prime contractor for the materiel reported on the PQDR. 2. DLMS enhancement; see introductory DLMS note 4a. 1/60
  536L N101 PL Party to Receive Purchase Order "Use to indicate entities other than the contractor that are to receive copies of the award instrument" Must use in every 2/HL/010 contract loop to identify the contract awardee. 1/60
  536L N101 RC Receiving Location Use to identify the organization receiving or designated to receive materiel Must use in every 2/HL/010 order loop to identify the receiving storage location for the due-in quantity reported. 1/60
  536L N101 SB Storage Area Use to identify the distribution depot/storage activity Must use in every 2/HL/010 item loop to identify the storage location of the on hand quantity reported. 1/60
  536L N101 ZP Gaining Inventory Manager Use for delinquent due-in, due-in reconciliation inquiry, due-in reconciliation advice, and memorandum due-in transactions to identify the Gaining Inventory Manager (GIM) Use in the 2/HL/010 product description loop to identify the gaining item manager to receive the transaction. 1/60
  536L N101 ZQ Screening Point Use to identify the Department of Defense Activity Address Code (DoDAAC) of the current Screening Point activity 1. Must use in the 2/HL/010 quality characteristics loop to identify the designated screening point for the PQDR. 2. DLMS enhancement; see introductory DLMS note 4a. 6/6
  536L N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations 6/6
  536L N103 33 Commercial and Government Entity (CAGE) Use to identify 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 Use as needed with N101 codes DG, MF, and PL when no DODAAC is assigned. 5/5
  536L 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
  536L N104
  536L N106 TO Message To Use to identify the party to receive the transaction set Must use with the 2/N101/190 code ZP to indicate the organization cited in N104 is receiving the transaction. 1/60
  536L SE01
  536L SE02
  536R ST01 536 Logistics Reassignment DoD Components may use this transaction set to facilitate exchange of acquisition and valuation history between two accountable systems of record (APSR)s. DoD Components may also use this transaction set between an APSR and the Procurement Integrated Enterprise Environment (PIEE). This transaction is not authorized for contractors.
  536R ST02
  536R BR01 00 Original Indicates the initial transaction
  536R BR02 TS Transfer Statement Use for Acquisition and Valuation History Data. Use BR06 to identify the type of action.
  536R BR03
  536R BR06 7 Request Request for Acquisition and Valuation History Data (Inquiry).
  536R BR06 J Record Original Acquisition and Valuation Data.
  536R BR06 CO Correct Corrected Acquisition and Valuation Data.
  536R BR09
  536R N901 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 to identify the authorizing procurement instrument identifier (PIID) for the item(s) referenced in the parent/child loop(s). Applicable to GFP. This is not the contract number for the item. 13/13
  536R N901 CT Contract Number A standard unique identification of a DoD procurement contract (contract number) that specifically differentiates one contract from all other contracts Must use to identify the procurement instrument identifier (PIID) or PIID Call/Order Number applicable to the property in question. Applicable to new procurement. 1/13
  536R N901 SI Shipper's Identifying Number for Shipment (SID) Use to identify the vendor's shipment number shown on the shipping documentation Use in combination with the contract number to identify the shipment number when available. Applicable to new procurement. 1/22
  536R N901 TG Transportation Control Number (TCN) A 17-position alphanumeric assigned to control and manage every shipment unit throughout the transportation pipeline Use to identify the transportation control number associated to the shipment. 17/17
  536R N901 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 Must use to identify the document number associated to the shipment. Required for all action codes in BR06. Do not use for new procurement. 14/14
  536R N902
  536R G6201 11 Shipped on This Date Use to identify date shipped 8/8
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