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).
  • Authoritative Code Lists: Access the complete and current lists of approved codes and qualifiers used in logistics transactions, such as status codes, discrepancy codes, and unit of issue codes.

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 CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE
  945A N901 43 Supporting Document Number Used to perpetuate/convey a Supporting Maintenance Document Number as Necessary. The content in this field may only be meaningful to the receiver of this transaction. May be used to convey maintenance control/document numbers.
  945A N901 4C Shipment Destination Code 1. Use in Commercial Asset Visibility Materiel Release Confirmation transactions to provide a clear text carrier name and address. Use N902 to identify the carrier name. Use N903 to provide a street address, PO box or other address information. Use N907 to provide additional address information. Where possible, attempt to cite the address in the form of a US Postal Service (USPS) mailing address. For shipments outside of the US, use 2/LQ01/10 code 85 to identify the country."= 2. This is a non-standard mapping. The standard DLMS mapping for carrier identification is caried in the N1 segment at position 080.
  945A N901 5M Previous Sequence 1. Use to identify the Post-Post Previously Requested Indicator to notify the owner’s application whether the requested action was initiated/recorded in the owner’s application. Cite the appropriate value:. Y - - Indicates request for materiel was created in the owner’s application N - - Indicates request for materiel was not created in owner’s application 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 396.
  945A N901 60 Account Suffix Code Use to identify the Disposal turn-in document (DTID) suffix code that equates to the suffix used on the original property turn-in and retained by DLA Disposition Services for accountability and tracking Use in conjunction with the DTID Number (N907 Code W1) to identify the DTID Suffix Code, when applicable. DLMS enhancement, see ADC 466.
  945A N901 6L Agent Contract Number 1. Use in GFP-related transactions to identify the procurement instrument identifier (PID) applicable to the contract authorizing the contractor to have custody of GFP. Use the legacy procurement instrument identification number (PIN) pending transition to the PID. 2. If GFP is authorized under a PID call/order number (F in 9th position), provide the PID call/order number in the PID field. 3. Required for Air Force GFP accountability to identify the CICP’s contract number. 4. Authorized DLMS enhancement; see introductory DLMS note 4e. on IC cover page. Refer to ADC 124.
  945A N901 74 Work Breakdown Structure (WBS) Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 396.
  945A N901 77 Work Package Use to identify the Build Directive Number for medical/surgical component assembly. (A data maintenance action was approved in version 5010. The approved code/name is BDN - Build Directive Number.) Authorized DLMS migration enhancement. See DLMS introductory note 4e.
  945A N901 86 Operation Number 1. Use to identify the Key Operation (KO) Number associated with the JO. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  945A N901 87 Functional Category Use in LRO to distinguish between LROs for consumable (MILSTRIP Distribution Code 2) and reparable (MILSTRIP Distribution Code 3) assets. Enter value (2 or 3) in N902.
  945A N901 9R Job Order Number Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  945A N901 AH Agreement Number Use to identify the Depot Maintenance Inter-Service Support Agreement (DMISA) number for tracking "in-process" materiel.
  945A N901 CO Customer Order Number 1. Use to identify the Customer Order Acceptance Record (COAR) applicable to the Job Order Number. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381 (or as applicable).
  945A N901 CT Contract Number Use to identify the procurement instrument identifier (PID) on shipments of GFM to the contractor. When GFM is authorized under a PID call/order number (F in 9th position), provide the value in the PID field. For Other Transaction (OT) agreements, the type of instrument (9th position of PID) will be a.
  945A N901 33 for Research OTs or 9 for Prototype and Production OTs. Refer to ADC 1161A or ADC 1420. This is the PID authorizing shipment of GFP to the contractor perpetuated from the release order (e.g., the PID under which the property was requisitioned).
  945A N901 DO Delivery Order Number 1. Use in conjunction with the PIN (Code 6L) for GFP-related transactions to identify the legacy four position call/order number associated with the PIN applicable to the contract authorizing the contractor to have custody of GFP. 2. Do not use for the PID call/order number. The PID call/order number is mapped to Code 6L. 3. Authorized DLMS enhancement; see introductory DLMS note 4e. on IC cover page. Refer to ADC 124.
  945A N901 QJ Return Material Authorization Number 1. Used to identify the carrier account number applicable to the identified carrier (2/N101/080 Code CA) for the directed materiel release. (Field length = 10 positions). Refer to ADC 164. 2. Authorized DLMS enhancement; see DLMS introductory note 4e.
  945A N901 TG Transportation Control Number (TCN) A 17-position alphanumeric assigned to control and manage every shipment unit throughout the transportation pipeline
  945A 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 transaction number assigned to this transaction. This is the document number.
  945A N901 TT Terminal Code Use only during legacy MILSTRIP-DLMS conversion processing to identify the point of embarkation for OCONUS shipments moving through the DTS, GBL/CBL, parcel post (except APO/FPO); and small package carrier shipments entering the DTS at the POE. During the transition period, transactions originating as MILSTRIP DIC Code AR, Materiel Release Confirmation, will carry the POE in this field due to the translator's inability to distinguish among code types. Refer to 2/LQ01/10 qualifiers 36, Air Terminal Identifier Code, 37, Water Terminal Identifier, and 38, Consolidation and Containerization Point Code, for DLMS input.
  945A N901 W1 Disposal Turn-In Document Number Use for disposal release confirmation and historical disposal release confirmation transactions to identify the DTID.
  945A N901 W3 Manufacturing Directive Number Use on shipments of GFM to the contractor.
  945A N901 WF Locally Assigned Control Number Use to identify the Assemblage Identification Number (AIN). Authorized DLMS migration enhancement. See DLMS introductory note 4e.
  945A N901 WO Work Order Number 1. Use to identify a maintenance work order number. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  945A N901 WP Warehouse Pick Ticket Number 1. Use to identify the picklist control number assigned to identify a specific job for which materiel are assembled together in support of planed maintenance. 2. Cite the picklist control number in N903 due to field length. 3. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381. 4. Used by the Defense Property Accountability System (DPAS) to identify the cost center assigned to a remote storage activity. Note: This is not the SFIS cost center. Refer to ADC 1379.
  945A N901 X9 Internal Control Number Use in CAV transactions to identify the unique contractor reference number assigned by the contractor.
  945A N901 AAE Previous Distributor Number Use to provide the warehouse storage location identifying the physical location of the materiel as it was reflected on the DS record prior to requested action, i.e., pick location.
  945A N901 EVI Event Identification 1. Use for DLA Disposition Services Field Office materiel release advice for FMS requisitioned materiel with associated freeze action pending approval. This code is perpetuated from the MRO/RDO. The only applicable value for this transaction is Code F=Freeze action. Refer to ADC 156. 2. Qualifier EVI is a migration code approved for use in X12 version 4030.
  945A N901 PWC Preliminary Work Candidate Number 1. Use to identify a Requisition Alert Document Number. 2. Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  945A N901 SLI Secondary Location Identifier 1. Use in combination with purpose code Z to request further segregation below line item. SLI cannot exceed 6 alpha/numeric characters. 2. A local code ‘SLI’ is established for use in the 945A, version 4030. A data maintenance action has been submitted for establishment of ‘SLI- Secondary Location Identifier’ in a future version.
  945A N907-01 8 Carrier Assigned Package Identification Number 1. Use to identify carrier package identification number when carrier is other than the United States Postal Service. Use Recommended in conjunction with identification of the carrier (2/N101/080 qualifier CA). 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 16 Military Interdepartmental Purchase Request (MIPR) Number Use for tracking "in-process" materiel.
  945A N907-01 1Y Repair Action Number Use with N901 Code AH to identify the Depot Maintenance Inter-Service Support Agreement (DMISA) line number for tracking "in-process" materiel.
  945A N907-01 AW Air Waybill Number 1. Use to identify the shipment unit air Waybill number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 BL Government Bill of Lading Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 BM Bill of Lading Number 1. Use to identify the shipment unit commercial bill of lading number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 IZ Insured Parcel Post Number 1. Use to identify the shipment unit insured parcel post number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 K1 Foreign Military Sales Notice Number Use with N901 code TG for Foreign Military Sales (FMS) shipments made on a commercial bill of lading or commercial collect bill of lading to identify the shipment unit FMS notice number.
  945A N907-01 K2 Certified Mail Number 1. Use to identify the shipment unit certified mail number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 K3 Registered Mail Number 1. Use to identify the shipment unit registered parcel post number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 LJ Local Jurisdiction Use with N901 code 4C to provide the city, county or other local designator for the carrier address.
  945A N907-01 W1 Disposal Turn-In Document Number 1. Use when provided as a secondary reference number. The DTID Number is a unique number to identify property turned into a DLA Disposition Service Field Office. 2. Use in conjunction with the controlling document number for the transaction cited N901 code TN. When there is no Suffix Code associated with the controlling Document Number, enter the corelating DTID in the N907-02. If there is a Suffix Code, enter the DTID in the N907-04. Refer to ADC 466. 3. Authorized for intra-DLA use between DLA Disposition Services Field Offices and DLA Disposition Services. DLMS enhancement; Refer to ADC 49.
  945A N907-01 W8 Suffix Use to identify supply transaction partial actions taken on the original document without duplicating or causing loss of identity of the original document number 1. Use with N901 Code TN to identify the transaction number suffix. 2. When used in association with the Requisition Alert Document Number (Qualifier PWC, above), this will be the requisition alert document suffix. The Requisition Alert Document Number Suffix is an Authorized DLMS enhancement under DLA industrial activity support agreement. Refer to ADC 381.
  945A N907-01 WY Waybill Number 1. Use to identify the shipment unit surface Waybill number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-01 ZH Carrier Assigned Reference Number 1. Use to identify the shipment unit express mail number. 2. Authorized DLMS migration enhancement; see introductory DLMS 4f.
  945A N907-03 GE Geographic Number Use with N901 code 4C to indicate the USPS abbreviation for the state or Canadian province the carrier is located in.
  945A N907-03 W1 Disposal Turn-In Document Number 1. Use to identify the disposal turn-in document (DTID) number when provided as a secondary reference number. The DTID Number is a unique number to identify property turned into a DLA Disposition Service Field Office. 2. Use in conjunction with the controlling document number for the transaction (N901 Code TN). When there is no Suffix Code associated with the controlling Document Number, enter the corelating DTID number in the N907-02. If there is a Suffix Code, enter the DTID in the N907-04. Refer to ADC 466. 3. Authorized for intra-DLA use between DLA Disposition Services Field Offices and DLA Disposition Services. DLMS enhancement.
  945A N907-05 GL Geographic Destination Zone Number Use with N901 code 4C to indicate the USPS zip code for the carrier address. Use the 9 digit zip code when available.
  945A G6201 9 Process Date Use with the transaction history to identify the date on which the materiel release advice was processed by the initiating activity.
  945A G6201 11 Shipped on This Date Use in materiel release confirmation, historical materiel release confirmation, disposal release confirmation, and historical disposal release confirmation transactions to identify date materiel was shipped.
  945A G6201 17 Estimated Delivery Date Use in materiel release advice (DIC AE6), materiel release confirmation, disposal shipment confirmation (DIC AEJ), historical materiel release confirmation, disposal release confirmation, and historical disposal release confirmation transactions to identify the estimated shipping date or estimated date materiel will be available for shipment when shipment has not occurred.
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