PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-W-343Wire,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-00-643-1274 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-643-1274 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-643-1274. Primary manufacturer part number: QQ-W-343.
Features
  • Wire,electrical — FSC 6145
  • Round Conductor Size: 24 AWG SINGLE CONDUCTOR
  • Strand Quantity Per Conductor: 16 SINGLE CONDUCTOR
  • Surface Treatment: TIN CORE CONDUCTOR SINGLE CONDUCTOR
  • Strand Awg Size Per Conductor: 36 SINGLE CONDUCTOR
  • Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
  • Conductor Form: STRANDED SINGLE CONDUCTOR
  • Departure From Cited Designator: AS MODIFIED BY CONDUCTOR SIZE AND STRAND QTY
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Copper Core Conductor Single Conductor construction
General Description

The Wire,electrical, cataloged under National Stock Number 6145-00-643-1274, is classified within Federal Supply Class 6145 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-00-643-1274
Primary Part NumberQQ-W-343
Item NameWire,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Round Conductor Size24 AWG SINGLE CONDUCTOR
Strand Quantity Per Conductor16 SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Strand Awg Size Per Conductor36 SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Departure From Cited DesignatorAS MODIFIED BY CONDUCTOR SIZE AND STRAND QTY
Nondefinitive Spec/std DataB TYPE AND 0 CLASS
Cross-Sectional Shape StyleROUND
Round Conductor Size24 AWG SINGLE CONDUCTOR
Strand Quantity Per Conductor16 SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Strand Awg Size Per Conductor36 SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Departure From Cited DesignatorAS MODIFIED BY CONDUCTOR SIZE AND STRAND QTY
Nondefinitive Spec/std DataB TYPE AND 0 CLASS
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-059-9778
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueFT
SMR CodeJN
Weight0.0100 lbs
Cube0.0000 cu ft
Verified Substitutes 12
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Cross-Reference Index
Part NumberManufacturer
QQ-W-343 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N459 Texas Instruments Incorporated (USA)
AA59551-B24O1T Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59551 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
QQW343B24O1T Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6145-00-059-9778 Wire,electrical
6145-00-059-9780SUCCESSOR
WIRE,ELECTRICAL
6145-00-170-6467SUCCESSOR
WIRE,ELECTRICAL
6145-00-191-8454SUCCESSOR
WIRE,ELECTRICAL
6145-00-234-5002SUCCESSOR
WIRE,ELECTRICAL
6145-00-299-6212SUCCESSOR
WIRE,ELECTRICAL
6145-00-316-9039SUCCESSOR
WIRE,ELECTRICAL
6145-00-500-0988SUCCESSOR
WIRE,ELECTRICAL
6145-00-583-0314SUCCESSOR
WIRE,ELECTRICAL
6145-00-643-4307SUCCESSOR
WIRE,ELECTRICAL
6145-00-839-6155SUCCESSOR
WIRE,ELECTRICAL
6145-00-857-1824SUCCESSOR
WIRE,ELECTRICAL

Frequently Asked Questions

What is NSN 6145-00-643-1274?

NSN 6145-00-643-1274 is a Wire,electrical, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-643-1274?

NSN 6145-00-643-1274 has 5 cross-referenced part numbers: QQ-W-343 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1N459 (Texas Instruments Incorporated), AA59551-B24O1T (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59551 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), QQW343B24O1T (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6145-00-643-1274?

There are 12 known substitutes for 6145-00-643-1274: 6145-00-059-9778, 6145-00-059-9780, 6145-00-170-6467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QQ-W-343?

Key specifications for QQ-W-343: Round Conductor Size: 24 AWG SINGLE CONDUCTOR; Strand Quantity Per Conductor: 16 SINGLE CONDUCTOR; Surface Treatment: TIN CORE CONDUCTOR SINGLE CONDUCTOR; Strand Awg Size Per Conductor: 36 SINGLE CONDUCTOR. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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