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 DEFINITIONSorted by descending CODE DLMS NOTE DLMS MIN MAX
  846D DTM01 007 Effective Use to identify the Effective Date Use to identify the Effective Transfer Date (ETD). 8/8
  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
  869C DTM01 007 Effective Use to identify the Effective Date Use to identify the effective date of the mass cancellation. 8/8
  841W REF01 RE Release Number Use to identify the Edition Year of the Emergency Response Guide Use in the HL03 Code HP loop to identify the Edition Year of the Emergency Response Guide. 1/50
  856P REF01 RE Release Number Use to identify the Edition Year of the Emergency Response Guide Applicable to Shipment loop. Indicate Y in REF02 when Alternate Release Procedures (ARP) are applicable. 1/50
  869F DTM01 064 Do Not Deliver Before Use to identify the earliest acceptable delivery date for the materiel requisitioned For conventional ammunition requirements, it defines the earliest acceptable delivery date for the required delivery period Use to identify the earliest acceptable delivery date for the materiel requisitioned. For conventional ammunition requirements, it defines the earliest acceptable delivery date for the required delivery period. 8/8
  511M G6201 53 Deliver Not Before Date Use to identify the earliest acceptable delivery date for the material requisitioned For conventional ammunition, use to indicate the required delivery period start date, inclusive. 8/8
  511M G6201 53 Deliver Not Before Date Use to identify the earliest acceptable delivery date for the material requisitioned Use to modify, or in the case of an unmatched modification, to identify the earliest acceptable delivery date for the materiel requisitioned. For conventional ammunition requirements, it defines the earliest acceptable delivery date for the required delivery period. 8/8
  511R G6201 53 Deliver Not Before Date Use to identify the earliest acceptable delivery date for the material requisitioned Use to identify the earliest acceptable delivery date for the materiel requisitioned. For conventional ammunition requirements, it defines the earliest acceptable delivery date for the required delivery period. 8/8
  940R G6201 53 Deliver Not Before Date Use to identify the earliest acceptable delivery date for the material requisitioned 1. Use in redistribution orders, materiel release orders, and historical materiel release orders to identify the earliest acceptable delivery date for the materiel directed for shipment. For conventional ammunition transactions, use to identify the earliest acceptable delivery date for the required delivery period. Use in materiel release order modifications to identify the revised earliest acceptable delivery date. 2. DLMS enhancement; see introductory DLMS note 4a. 8/8
  814C DTM01 649 Document Due Use to identify the Due Date Use to indicate Due Date. 8/8
  842P DTM01 649 Document Due Use to identify the Due Date 1. Use to identify the Support Point Due Date. 2. Only Support Point may assign the date update information is due back to the Action Point and be populated/updated by the Support Point. 8/8
  842P N101 91 Action Party Use to identify the DoDAAC of the current Action Point DoDAAC. This is the activity responsible for the investigation and resolution of the deficiency. Use to identify the DoDAAC of the current Action Point DoDAAC. This is the activity responsible for the investigation and resolution of the deficiency. 6/6
  842P N101 91 Action Party Use to identify the DoDAAC of the current Action Point DoDAAC. This is the activity responsible for the investigation and resolution of the deficiency. 1. Use to identify the Action Point DoDAAC when different than the address identified with the DoDAAC-From in 1/N101/1200. 2. This element may only be populated by the Screening Point or the Action Point. 1/6
  842AR REF01 QE Replacement Customer Reference Number Use to identify the document number for reshipment of replacement materiel when different from the original document number Use to identify the document number for reshipment of replacement materiel when different from the original document number. 14/14
  842P REF01 QE Replacement Customer Reference Number Use to identify the document number for reshipment of replacement materiel when different from the original document number 1. Use in responses, as needed to identify the document number under which replacement materiel will be provided to the organization reporting the deficiency, or the document number provided from an ICP that authorizes the return of deficient materiel or exhibit. 2. This element may only be populated/updated by the Action Point or screening point. 14/14
  940R N907-03 0I Comparable Property Sale Reference Number Use to identify the DLA Sales Order Reference Number when provided as a secondary reference number 1. Use to identify the DLA Sales Order Reference Number when provided as a secondary reference number. 2. Use in conjunction with the controlling document number for the transaction cited N901 code TN and the DTID Number cited in N907 code W1. 3. Authorized for intra-DLA use between DLA Disposition Services and DLA Disposition Field Offices. DLMS enhancement; Refer to ADC 434. 1/50
  940R LQ01 DSC Disposition Services Customer Type Code Use to identify the DLA Distribution Services Customer Type The customer type is used by the DLA Distribution Services Field Office to prioritize workload 1. Use to identify the DLA Distribution Services Customer Type. The customer type is used by the DLA Distribution Services Field Office to prioritize workload. Cite the applicable code: R= Reutilization T=Transfer D= Donation S=Sales 2. Approved for use in X12 version 6050. 3. Authorized for intra-DLA use between DLA Disposition Services and DLA Disposition Field Offices. DLMS enhancement; Refer to ADC 434. 1/1
  846C REF01 SM Sales Office Number Use to identify the DLA Disposition Services Inventory Control Point (ICP) Sales Document Number 1. Use to identify the DLA Disposition Services ICP Sales Document Number. 2. This field is only used when the DLA Disposition Services ICP is updating the Disposition Category Code to DS-Disposal or SL-Sales. This field is required for the DLA Disposition Services Field Office to create an internal MRO transaction. 1/50
  842P REF01 CM Buyer's Credit Memo Use to identify the DLA Credit Memo Number. This is reference number provided to track credit 1. Use to identify the DLA Credit Memo Number. This is reference number provided to track credit. 2. If multiple document numbers are applicable, identify the credit memo number applicable to the document number included in the Report Loop (HL01=RP) and use a separate Document Number Loop (HL01=W) for each additional document number and credit memo number combination 3. When providing a credit memo number, also provide the credit date (DTM01=188) and credit value (AMT01=PD) in the same loop. 4. This element may only be populated/updated by the Action Point. 1/50
  511R N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the distribution depot/storage activity. 2. This is a restricted use applicable when a Service has entered into an MOA with DLA relative to Service-owned stocks, centrally-managed/stored by DLA (1/BR06/020, Code RI). 3. For intra-Navy organic maintenance requisitions (citing Project Code Z5X), use to identify the storage activity from which the requisitioned item is requested. Refer to ADC 426. 1/60
  527D N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the storage activity (primary location) to receive the PMR when different from the receiving location. Applicable when materiel will be shipped directly to the off-station forward site under DLA industrial activity support. Refer to ADC 370. 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
  842CI N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the Distribution Depot or other storage location receiving the stock screen request. 1/60
  842CR N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the Distribution Depot or other storage location sending the reply. 1/60
  842SQ N101 SB Storage Area Use to identify the distribution depot/storage activity Use to indicate the storage activity. 1/60
  842SR N101 SB Storage Area Use to identify the distribution depot/storage activity Use to indicate the storage activity. 1/60
  846A N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify a depot or storage activity. 1/60
  846A N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify a depot or storage activity. 1/60
  846C N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify a DLA Disposition Services Field Office depot or storage activity. 1/60
  846C N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the DLA Disposition Services Field Office (depot or storage activity). 1/60
  846F N101 SB Storage Area Use to identify the distribution depot/storage activity Must use to indicate the storage organization. 1/60
  846I N101 SB Storage Area Use to identify the distribution depot/storage activity Use to indicate a depot or storage activity. 1/60
  846I N101 SB Storage Area Use to identify the distribution depot/storage activity Use to indicate a depot or storage activity. 1/60
  846P N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to indicate the depot or storage activity. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
  846P N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to indicate the depot or storage activity. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
  846R N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Must use to identify the depot or storage activity. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
  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 SB Storage Area Use to identify the distribution depot/storage activity Use to identify a depot or other storage activity. 1/60
  856S N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the initial shipping activity. 2. For Army Total Package Fielding (TPF), use to identify the Routing Identifier of the Unit Materiel Fielding Point (UMFP) or staging site originating the UMFP shipment document. 3. Use for LRO shipment status to identify the organization responsible for release of the retail assets. 4. For conversion processing this will be understood to be the originating activity as identified by the Supplemental Address. 5. A DLMS enhancement allows specific separ ate identification of the party to receive credit and the party originating the LRO shipment status/shipping the materiel. DoDAACs associated with qualifier SB and ZB are expected to be the same at this time. However, when using originated in DLMS, the LRO originator may be a different party and will be identified by a Routing Identifier. Refer to ADC 299. 6. When implemented as a DLMS enhancement in the shipment loop to allow specific separate identification of owner/manager and storage activity RIC for ammunition and ammunition related transactions, a second instance of the SB in the shipment loop must be used to identify the storage activity by DoDAAC (N103 = 10). Refer to Approved Addendum to ADC 441A. 1/60
  867D N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the depot or storage activity. 1/60
  867D N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the depot or storage activity. 1/60
  867I N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the depot or storage activity. Use the Routing Identifier Code (RIC) for the activity unless otherwise authorized. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
  870S N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the distribution center generating the supply status. 2. Used when providing Materiel Processing Center (MPC) status. 3. Use to identify the storage activity when the storage activity is the originator of the transaction implemented. This is applicable as a DLMS enhancement to allow specific separate identification of owner/manager and storage activity RIC for ammunition and ammunition related transactions. Refer to Approved Addendum to ADC 441A. 1/60
  870S N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the storage activity applicable to the status provided. 2. When implemented as a DLMS enhancement to allow specific separate identification of Owning Inventory Control Point and Storage Activity RIC for and ammunition related transactions, the storage activity may be the actual initiator of the status on behalf of the ICP identified at 1/N101/50 Code Z4 (N106=FR). Refer to ADC 441. 1/60
  888I N101 SB Storage Area Use to identify the distribution depot/storage activity Use to identify the storage facility requiring data record changes. 1/60
  940R N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the storage facility to receive the transaction set. 2. Use for Disposal Shipment Confirmation Follow-up (W0506=NH, DIC AFX/AFZ) to identify the activity to receive the transaction. This will normally be the shipping activity identified by RIC. If the RIC is not available, the transaction may be directed to the DoDAAC identified in the Document Number. In this usage, the transaction may be transmitted to the ICP/IMM that directed the disposal action. ICPs/IMMs receiving this Follow-up shall either retransmit this transaction to the shipping activity or co ordinate with the shipping activity to prepare the appropriate response. Refer to ADC 464. 1/60
  943A N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the storage facility originating the response. 2. DLA Disposition Services Field Office uses with the Warehouse Storage Location Update transaction to identify the field office submitting the transaction. 1/60
  945A N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the activity originating the transaction. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
  947I N101 SB Storage Area Use to identify the distribution depot/storage activity 1. Use to identify the depot or storage activity. 2. For Air Force GFP accountability, use to identify the CICP as the responsible custodial activity. Refer to ADC 1224. 1/60
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