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
  846A PER05 FX Facsimile The facsimile (FAX) telephone number 10/10
  846A PER05 IT International Telephone A number assigned to a particular telephone for making connections to it Include country and city code. 1/60
  846A PER05 TE Telephone The commercial telephone number Include the area code and number Use to identify the commercial telephone number. Include the area code and number. 10/10
  846A PER06
  846A PER07 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 Use to identify the DSN telephone number. 7/7
  846A PER07 EM Electronic Mail Use to identify an internet address for distributing messages by electronic means to a person or group formatted as [identifier]@[email server internet domain name] 1/256
  846A PER07 EX Telephone Extension Use to identify a telephone extension Use immediately following codes AU, IT or TE to identify a telephone extension. 1/60
  846A PER07 FX Facsimile The facsimile (FAX) telephone number 10/10
  846A PER07 IT International Telephone A number assigned to a particular telephone for making connections to it Include country and city code. 1/60
  846A PER07 TE Telephone The commercial telephone number Include the area code and number Use to identify the commercial telephone number. Include the area code and number. 10/10
  846A PER08
  846A PER09
  846A CS01
  846A CS03
  846A CS04 83 Extended (or Exhibit) Line Item Number (ELIN) Use to identify the Exhibit Line Item Number (ELIN), or the ELIN including the Subcontract Exhibit Line Item Number (SUBELIN) Use to identify the Exhibit Line Item Number (ELIN), or the ELIN including the (Subcontract Exhibit Line Item Number) SUBELIN, as appropriate. 4/4
  846A CS04 C7 Contract Line Item Number A number that identifies all items of supply or services in a contract Use as needed to identify the CLIN, or the CLIN including the SUBCLIN, associated with the contract number, if applicable. 4/6
  846A CS05
  846A 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.
  846A LQ01 ARD Asset Reclassification Denial Code Identifies the reason for the asset reclassification denial Storage activities use with Asset Reclassification Response Denial Transactions to identify the reason for the denial. Cite the ARD code at either 2/LQ01/270 or 2/LQ01/376, as appropriate. 1/1
  846A LQ02
  846A QTY01 QH Quantity on Hold Use for Supply Condition Code (SCC) reclassification request transactions to identify the quantity for which SCC reclassification is requested Use only for supply condition code (SCC) reclassification request transactions (BIA02 code TE with BIA06 Action Code 23, 62, or 86). Use to identify the quantity for which SCC reclassification is requested; otherwise do not use. 1/15
  846A QTY01 V3 Transfer Quantity Use for Logistics Reassignment (LR) storage information order transactions to identify the quantity to be transferred to GIM ownership; otherwise, do not use. To reverse all or part of an LR storage information order, use a minus sign in front of the quantity to be reversed 1. Use only with asset reclassification requests transactions which request an NSN be converted to a unit of use LSN (BIA02 code TE with BIA06 Action Code CV-Convert); otherwise do not use. 2. When LIN01 is not used, or LIN01 cites code1, only this quantity field is used in the transaction. It represents the quantity to be converted without a request for protection assignment (no LIN01 code); or the quantity to be converted with a request for protection assignment when the entire conversion quantity is to be protected (LIN01 code 1). When protecting the entire quantity or the converted quantity was previously protected, the protection information will be cited in 2/REF/140. When there is no protection assignment request associated with the conversion (LIN01 not used and quantity was not previously protected), then no protection information (JO, protection document number, informational KO or COAR) will be cited in 2/REF/140., 3. When LIN01 code 2 is used (indicating that only a PARTIAL quantity converted from an NSN to unit of use LSN is to be protected, then a second iteration of the QTY segment must be used to cite a second quantity (code XT) to identify the partial quantity to be protected. 4. Authorized for use under DLA industrial activity support agreement only. Refer to ADC 376. 1/15
  846A QTY01 XT Protected Quantity Use with asset reclassification requests to assign protection and with requests to assign protection to a partial quantity when concurrently requesting conversion from an National Stock Number (NSN) to a unit of use Local Stock Number (LSN) 1. Use with asset reclassification requests to assign protection (BIA02 code TE with BIA06 Action Code76-Assign); and with requests to assign protection to a partial quantity when concurrently requesting conversion from an NSN to a unit of use LSN ((BIA02 code TE with BIA06 Action Code CV-Convert in conjunction with LIN01 code 2); otherwise do not use. When concurrently requesting protection for a partial quantity being converted to a unit of use LSN, then 2 iterations of the QTY segment must be used. One iteration will cite code V3 for the total quantity converted, and one iteration will cite code XT for the partial quantity to be protected. When requesting protection assignment to a partial quantity, the applicable protection data (JO, protection document number, informational KO/COAR) cited in 2/REF/140 applies only to this partial protection quantity. 2. Authorized for DLA industrial activity support agreement only. Refer to ADC 376. 1/15
  846A QTY02
  846A 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.
  846A 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 For asset reclassification requests when the owner/manager has resolved the situation which required the assets to be held in a suspended condition (BIA02 code TE with BIA06 code 62) this is the ‘TO’ SCC. The ‘FROM’ SCC uses qualifier ‘BG’. 1/1
  846A LQ01 84 Management Code Provides supplemental data not indicated through the transaction coding structure Use to identify supplemental management information associated with processing the transaction. 1/1
  846A LQ01 87 Subsistence Type of Pack Code Use to indicate the degree of protection to be provided subsistence items 1. Use subsistence items to identify subsistence type of pack information. 2. Use in asset reclassification request/followup. 1/1
  846A 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 Use in asset reclassification request/followup. 1/1
  846A 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 asset reclassification request/followup. 1/1
  846A 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 3d. 3. Expanded use of this field for supplemental data without size restriction is a DLMS enhancement; see introductory DLMS note 3a. 4. Under full DLMS, the requirement to pass activity address information within the supplemental data field will be streamlined. Activity address data previously contained in the SUPAAD will be reflected exclusively in the N1 segment. Future streamlined data; see introductory DLMS note 3c. 6/6
  846A LQ01 AJ Utilization Code Use to identify a specialized purpose of the transaction 1/1
  846A LQ01 BG Condition Use for Type 5 Supply Discrepancy Reporting (SDR)s to specify supply condition code “To” For use with asset reclassification requests for supply condition code (SCC) change, when the owner/manager has resolved the situation which required the assets to be held in a suspended condition. This is the ‘FROM’ SCC. The ‘TO’ SCC uses qualifier ‘83’. BG is only for use with BIA02 code TE with BIA06 code 62. 1/30
  846A 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 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-Materiel Management Aggregation code”. The code source is identified as the Air Force Manual (AFMAN) 23-110, Volumes 1 and 2. 2/2
  846A LQ01 ARD Asset Reclassification Denial Code Identifies the reason for the asset reclassification denial 1. Storage activities must use an Asset Reclassification Denial (ARD) code with Asset Reclassification Response Denial Transactions (BIA02 code TD in conjunction with BIA06 Action Code DE) to identify the reason for the denial. Cite the ARD code at either 2/LQ01/270 or 2/LQ01/376, as appropriate. 2. For DLA industrial support agreement with Marine Corps, cite the ARD code at 2/LQ01/270 since the QTY Loop is not used. 3. At this time a local code ‘ARD’ is established for use in 846A, version 4010. A data maintenance action has been submitted for establishment of ‘ARD-Asset Reclassification Denial Code’ in a future version. 1/1
  846A 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 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. 2/2
  846A 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 for integrated material management. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 1/1
  846A 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 Use for special inventory reporting. This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 1/1
  846A 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 This is a Navy-unique data element meaningful to Navy only; Non-Navy Components are to perpetuate without action. 2/2
  846A LQ02
  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 XM Maintenance Organization Used for Estimate Use when applicable to identify the organization/owner receiving the response Use when applicable to identify the maintenance organization e.g., Navy Shipyard or Fleet Readiness Center. Authorized for DLA industrial activity support agreement. Refer to ADC 376. 1/60
  846A N101 Z4 Owning Inventory Control Point Use to indicate the source of supply 1/60
  846A N103 10 Department of Defense Activity Address Code (DODAAC) Use to identify specific units, activities, and/or organizations DLMS enhancement; see introductory DLMS note 3c. 6/6
  846A 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
  846A N104
  846A N106 TO Message To Use to identify the party to receive the transaction set Must use with the appropriate 2/N101/450 code to indicate the organization cited in N104 is receiving the transaction. 1/60
  846A SE01
  846A SE02
  846C ST01 846 Inventory Inquiry/Advice Inventory Control Point/owners and storage activities use this transaction set to convey changes in the disposition category of materiel. Use one occurrence of this transaction set to transmit a single or multiple transactions.
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