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
  940S PER01 RQ Requestor Use to identify owner/manager point of contact information Use to identify person who is requesting the action. 1/60
  940S PER02
  940S PER03 TE Telephone The commercial telephone number Include the area code and number Use to identify commercial phone number. 10/10
  940S PER04
  940S PER05 AU Defense Switched Network Use to provide the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD elements, their supporting activities engaged in logistics, personnel, engineering, and intelligence, as well as other federal agencies 7/7
  940S PER06
  940S PER07
  940S PER08
  940S PER09
  940S 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.
  940S LQ01 R3 Delivery Rank (Priority) Use to identify the Delivery Priority/Special Processing Code which identifies special shipment requirements Use to identify Delivery Priority/Special Processing Code. Cite X (One hour delivery) for urgently required delivery. This code is applicable only to the call out of requested materiel and is applicable to all document numbers on the request. 1/1
  940S LQ02
  940S LS01
  940S LX01
  940S N901 86 Operation Number Use to identify a discrete, sequenced task or step within a larger Job Order (JO) that must be completed to achieve a specific mission objective Use to identify the Key Operation Number (KO) associated with the JO as applicable to the document number. Use at this level only if the KO differs by document number and is not provided at the summary level. 2/N901/0190 1/30
  940S N901 BO Bin Location Number Use to provide the warehouse storage location identifying the physical location of the materiel 1. Use to identify the current warehouse storage location identifying the physical location of materiel as reflected on the DSS record. 1/30
  940S N901 KK Delivery Reference Use to provide special delivery instructions applicable to the document number 1. Use to provide special delivery instructions applicable to the document number. 2. Use successive Delivery Reference data fields in N907 as ‘overflow’ if instructions exceed 50 positions. Maximum length for instructions is 180 positions. 1/50
  940S N901 NS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification 13/13
  940S N901 Q5 Property Control Number "Use to represent a DLA Disposition Services Unique Control Number assigned to prevent Disposal turn-in document (DTID) re-use " Use to identify Materiel Control Tracking (MCT) Tag Number applicable to the document number. 1/30
  940S N901 S6 Stock Number Use to identify a unique identifier for a product in a warehouse or inventory system 1. Use to identify the local stock number (LSN). 2. When provided by DLA for a unit of use LSN may be used in conjunction with the NSN. 13/13
  940S 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 1. Must use to identify the transaction document number of the funded requisition, materiel release order (MRO) or requisition alert (when used to identify the requisition alert document number this will be prior to submission of the funded requisition). 2. Use for staging requests where a requisition alert, funded requisition, or MRO document number does not apply. 14/14
  940S N901 EVI Event Identification Use to delineate the type of action the storage activity is to take on this request Event identification is used to further delineate the type of action the storage activity is to take on this request. Use only when no event identification is provided at the summary level (2/N901/0190) and the code value differs by document number. When no event identification is provided at the summary level each detail level must specify the appropriate event identification code. Cite the applicable code in N902. A=Add a record to pick list or staging request (NSY) C=Change a record’s data element(s ) from a previous pick list or staging request (NSY) D=Delete a record from a previous picklist or staging request (NSY) M=Ownership transfer/warehousing action (MCMC) N=New pick list or staging request for DSS to create initial table entry (NSY) O (alpha)= Overlay entire pick list file (FRC) This field is alphanumeric and will be mandatory to be used on all staging or pick list request from MAT or MRPII or EBS. P=Re-warehouse to IA worksite and protect stock, if applicable (EBS) S=Unprotect and re-warehou se from IA worksite to Distribution Depot (EBS) U=Staging or picklist unchanged; perform action requested by Service Request code X=Delete all records for the Pick list Control Number (NSY) Y=Delete all records for a JO/KO on previous picklists or staging requests (NSY) 1/30
  940S N901 PWC Preliminary Work Candidate Number Used for preliminary notification that an order for material (requisition) is being prepared for future submission to a supply source Applicable for DLA industrial activity support agreements 1. Use to identify Requisition Alert Document Number. 2. When applicable to Event Identification P, this value may be the same as used for the controlling document number. 15/15
  940S N901 TIP Technical Information Package Use for clear-text Information related to the materiel itself (use, install instructions, drawings, etc.) 1. Use for clear-text Information related to the materiel itself (use, install instructions, drawings, etc.). 2. Maximum length is 40 positions. 1/30
  940S N902
  940S N907
  940S N907-01 KK Delivery Reference Use to provide special delivery instructions applicable to the document number 1. Use for overflow special delivery instructions applicable to the document number. 2. Use N907-03 as ‘overflow’ if remaining instructions exceed 50 positions. 1/50
  940S 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 the document number when applicable to identify the document number suffix. 2. Use with the requisition alert document number when applicable to identify the requisition alert document number suffix. 1/1
  940S N907-02
  940S N907-03 KK Delivery Reference Use to provide special delivery instructions applicable to the document number 1. Use for overflow special delivery instructions applicable to the document number. 2. Use N907-05 as ‘overflow’ if remaining instructions exceed 50 positions. 1/50
  940S N907-04
  940S N907-05 KK Delivery Reference Use to provide special delivery instructions applicable to the document number 1. Use for overflow special delivery instructions applicable to the document number. 2. Remaining overflow instructions may not exceed 30 positions. 1/50
  940S N907-06
  940S N101 HA Owner "Use to designate the new owner subsequent to completion of the re-warehousing request Identify the owner by Routing Identifier Code (RIC)" 1. Use to designate the new owner subsequent to completion of the re-warehousing request. 2. Use for warehouse service requests which require an ownership change. Both current owner and new owner must be within the same Component. The owner change in this usage is representative of a maintenance line/stockroom change. Identify the owner by Routing Identifier Code (RIC). 3/3
  940S N101 MQ Delivery Location Use to identify where material is to be staged/stored Use for staging and picklist for delivery location. 1/80
  940S N101 XN Planning/Maintenance Organization Use to identify the entity designated to carry Mission Support Material for distribution to End-Use shops and other customers 1. Used to identify a Shop Service Center/Shop Store (SSC). 2. Use in conjunction with N103 Identification Code Qualifier 92. 3. When used at this level the SSC differs by document number and no SSC is provided at the summary level. 4. Refer to ADCs 284A, 381, and 1454 for known applications. 1/3
  940S N102
  940S N103 92 Assigned by Buyer or Buyer's Agent Use to identify the user assigned Shop Service Center/Shop Store Identifier Use with N101 Entity Identifier Code XN to identify the user assigned Shop Service Center/Shop Store Identifier. Refer to ADCs 284A, 381, and 1454. 2/80
  940S 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 Use to identify the new materiel owner. 3/3
  940S N104
  940S SDQ01
  940S SDQ03
  940S SDQ04
  940S 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.
  940S 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 Use to identify the condition of the materiel applicable to the requested action. 1/1
  940S LQ01 98 Reason for Requisitioning Code Use to identify the reason for submission of the requisition or the type of materiel requirement applicable to a requisition, requisition alert, or materiel release order Use to identify Reason for Requisitioning Code used by Naval shipyards specifying use of the materiel requirement. Cite the applicable value in LQ02. D - Direct Materiel Inventory (DMI) E - End Use Inventory M - Mission Support Materiel (MSM) U - Ripout/courtesy storage S - Nuclear Shop delivery 1/2
  940S 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 Use to identify the materiel 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. 2/2
  940S LQ01 EWC Evaluate Work Candidate Lookup Use to identify Requirement Churn Reason to identify materiel orders required by the industrial site to complete planned work above what was originally identified during the pre-planned process, ordered and delivered after the start of the availability.
  940S 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 Use to identify the Item Management Code (IMC) for integrated materiel management. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 1/1
  940S LQ01 SMC Special Material Content Code A code that indicates an item represents or contains peculiar material requiring special treatment, precautions or management control of the item Implementation Note: This is an X12 Migration Code approved for use in Version 4060. Implementers must manual update 4030 software to recognize this code. 2. This code applies to Navy Managed items only and is referred to as the Haz Mat Indicator within the Navy system (MAT). 1/1
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