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
  846R REF01 X18 Secondary Location Identifier Use to request further segregation below line item 1. Use in combination with purpose code �Z� to request further segregation below line item. Secondary Location Identifier cannot exceed six alpha/numeric characters. The combination of purpose code �Z� and the secondary location indicator qualifier X18 allows the use of the stock allocation reference value to request segregation below line item. 2. Use with report type code LC � Location Inventory Report (legacy DIC DZH). 1/6
  846R REF02 N/A
  846R REF03 N/A
  846R REF04 N/A
  846R REF04-01 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number Use to identify the manufacturer's batch/lot number or other number identifying the production run, when UII or serial number is entered in REF01, and batch/lot is the only other identifying number in 2/REF/390. The batch/lot number may not exceed 20 characters in accordance with IUID policy. 1/30
  846R REF04-01 SE Serial Number A value assigned for identification of an item Use to identify the serial number when UII is entered in REF01 and serial number is also used. The serial number may not exceed 30 characters and may only include alpha numeric characters, dashes and forward slashes. Spaces are not allowed. 1/50
  846R REF04-02 N/A
  846R REF04-03 0N Attached To Use to identify the Lot Size for the lot number identified Authorized DLMS enhancement for Inter-Service Ammunition use, when REF01 = BT, to identify the Lot Size for the lot number identified in REF02. Supports Ammunition DIC BG1/BG2, rp 25-29. See introductory DLMS note 4.e. Refer to ADC 283 and ADC 445. 1/30
  846R REF04-03 BT Batch Number A quantity of material all of which was manufactured under identical conditions and assigned an identifying batch number Use to identify the manufacturer's batch/lot number or other number identifying the production run when UII is entered in REF01 and serial number is entered in REF04-01. The batch/lot number may not exceed 20 characters in accordance with IUID policy. 1/30
  846R REF04-04 N/A
  846R DTM01 036 Expiration Use to identify the expiration date of the reported item Authorized DLMS enhancement for Inter-Service Ammunition use to identify the expiration date of the reported item. DLMS Component unique enhancement (DIC BG1/BG2, rp 9-11). See Introductory DLMS note 4e. Refer to ADC 283 and ADC 445. 8/8
  846R DTM01 302 Maintenance Use to identify the date that maintenance is due on an item Use to identify the maintenance due date (the date that maintenance is due on the item). Authorized DLMS enhancement for Inter-Service Ammunition use. DLMS Component unique enhancement (DIC BG1/BG2, rp 9-11). See introductory DLMS note 4e. Refer to ADC 283 and ADC 445. 8/8
  846R DTM02 N/A
  846R N101 MF Manufacturer of Goods Use to identify the manufacturer of the identified item 1/60
  846R 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 5/5
  846R N104 N/A
  846R LE01 N/A
  846R SE01 N/A
  846R SE02 N/A
  846S ST01 846 Inventory Inquiry/Advice Organizations use this transaction set to notify the distribution depot that ownership of stored wholesale assets has changed, to request asset information, and to report asset information. Use one occurrence of this transaction set to transmit a single or multiple transactions. b. Losing Item Mangers (LIMs) use this transaction set to notify the distribution depot that ownership of stored wholesale assets has transferred to the Gaining Item Manger (GIM) and to request asset information. Distribution depots use this transaction set to report asset information to the LIM. This transaction encompasses the functionality of MILSTRAP Document Identifier Codes (DIC) DZC and DZD. b. Losing Item Mangers (LIMs) use this transaction set to notify the distribution depot that ownership of stored wholesale assets has transferred to the Gaining Item Manger (GIM) and to request asset information. Distribution depots use this transaction set to report asset information to the LIM. This transaction encompasses the functionality of MILSTRAP Document Identifier Codes (DIC) DZC and DZD. N/A
  846S ST02 N/A
  846S BIA01 00 Original Indicates the initial transaction N/A
  846S BIA01 77 Simulation Exercise Use to identify a simulated mobilization exercise transaction set Activities initiating simulated mobilization exercises must ensure complete coordination with all activities involved. All transaction set recipients must use caution to ensure that transactions do not process as action documents which affect accountable records. N/A
  846S BIA02 PK Storage Information Inquiry Use to identify a Logistics Reassignment (LR) Storage Information Order. (MILSTRAP DIC DZC functionality.) N/A
  846S BIA02 TQ Storage Information Advice Use to identify an LR Storage Information Reply. (MILSTRAP DIC DZD functionality.) N/A
  846S BIA03 N/A
  846S BIA04 N/A
  846S BIA05 N/A
  846S BIA06 FI File Use to identify an image for the Air Force APSR, of a transaction that the Air Force CICP sent to a GIM or LIM. 1. Authorized for Air Force contractor inventory control point (CICP) use to provide an image of the LR transfer/decapitalization transaction to the Air Force accountable property system record (APSR), only when CICP is providing the APSR an image of a transaction which the CICP received from an external system. There will be no 2/N106/450 code TO for this transaction image. Refer to ADC 1232. 2. Authorized for DAAS use when DAAS creates an image for the Air Force APSR, of a transaction which the Air Forc e CICP sent to a GIM or LIM. DAAS creates the image when CICP sends an 846D transaction to an external system other than the APSR and include 2/N101/450/ZD and 2/N106/450/PK. There will be no 2/N106/450 code TO for this transaction image. Refer to ADC 1232. N/A
  846S N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify a depot or other storage activity. 1/60
  846S N101 ZN Losing Inventory Manager Use for delinquent due-in, due-in reconciliation inquiry, due-in reconciliation advice, and memorandum due-in transactions to identify the Losing Inventory Manager (LIM) 1/60
  846S N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations DLMS enhancement; see introductory DLMS note 5a. 6/6
  846S 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
  846S N104 N/A
  846S N106 FR Message From Use to identify the party originating the transaction set Must use with the appropriate 1/N101/080 code to indicate the organization cited in N104 is originating the transaction set. 1/60
  846S LM01 DF Department of Defense (DoD) Executive department of the U.S. federal government charged with coordinating and supervising the U.S. Armed Forces and related functions and agencies. N/A
  846S LQ01 0 Document Identification Code Identifies transaction specific operation to which they apply and indicates the intended purpose and use of the transaction data 1. Future Streamlined data; see introductory DLMS note 5c. 2. The DLSS DIC is retained in the DLMS to facilitate transaction conversion in a mixed DLSS/DLMS environment. Continued support of the DIC in a full DLMS environment will be assessed at a future date. 3/3
  846S 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. During the DLSS/DLMS transition, this field will be used to perpetuate/populate the DLSS Supplemental Address (SUPAAD) field. During this time, field size is restricted to 6 positions; see introductory DLMS note 5d. 3. Expanded use of this field for supplemental data with out size restriction is a DLMS enhancement; see introductory DLMS note 5a. 4. Under full DLMS, the requirement to pass activity address information within the supplement data field will b e streamlined. Activity address data previously contained in the SUPAAD will be reflected exclusively in the N1 segment. Future streamlined data; see introductory DLMS note 5c. 6/6
  846S 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 5a. 1/1
  846S LQ02 N/A
  846S LIN02 F4 Series Identifier Use to identify the manufacturer's series number of the applicable end item Use to identify the manufacturer's series number of the end item. 1/48
  846S LIN02 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  846S LIN02 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production 1/32
  846S LIN02 MN Model Number Use as a second level identifier assigned by a manufacturer which identifies one of several types of a basic equipment Use to identify the manufacturer's model number of the end item. 15/15
  846S LIN02 SN Serial Number A value assigned for identification of an item Use to identify the manufacturer's serial number of the end item. 1/50
  846S LIN03 N/A
  846S LIN04 ZB 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 Use with LIN02 to uniquely identify a manufacturers part number. 5/5
  846S LIN05 N/A
  846S DTM01 007 Effective Use to identify the Effective Date Must use for LR storage information order transactions to identify the Effective Transfer Date (ETD); otherwise, do not use. 8/8
  846S DTM01 097 Transaction Creation Use to identify the date of transaction preparation 1. Use to identify the transaction preparation date. Correspond date to the Universal Time Coordinate (UTC). 2. Authorized DLMS enhancement; see introductory DLMS note 5f on IC cover page. 8/8
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