PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59551Wire,electrical

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 6145-00-023-6778 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-023-6778 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-023-6778. Primary manufacturer part number: A-A-59551.
Features
  • Wire,electrical — FSC 6145
  • Temp Rating: 20.0 CELSIUS DEGC
  • Cross Section Outside Diameter: 0.204 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Material Document and Classification: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
  • Strand Quantity Per Conductor: 49 SINGLE CONDUCTOR
  • Precious Material and Location: CONTACT SURFACES SILVER
  • Strand Awg Size Per Conductor: 21 SINGLE CONDUCTOR
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 6145-00-023-6778, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN6145-00-023-6778
Primary Part NumberA-A-59551
Item NameWire,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Temp Rating20.0 CELSIUS DEGC
Cross Section Outside Diameter0.204 INCHES NOMINAL IN
Precious MaterialSILVER
Material Document and ClassificationQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Strand Quantity Per Conductor49 SINGLE CONDUCTOR
Precious Material and LocationCONTACT SURFACES SILVER
Strand Awg Size Per Conductor21 SINGLE CONDUCTOR
Round Conductor Size4 AWG SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Temp Rating20.0 CELSIUS DEGC
Cross Section Outside Diameter0.204 INCHES NOMINAL IN
Precious MaterialSILVER
Material Document and ClassificationQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Strand Quantity Per Conductor49 SINGLE CONDUCTOR
Precious Material and LocationCONTACT SURFACES SILVER
Strand Awg Size Per Conductor21 SINGLE CONDUCTOR
Round Conductor Size4 AWG SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-059-9778
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueFT
SMR CodeZN
Weight0.1600 lbs
Cube0.0003 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
A-A-59551 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
QQW343E04G1B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
QQ-W-343 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA59551-E04G1B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
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 6145-00-023-6778?

NSN 6145-00-023-6778 is a Wire,electrical, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-023-6778?

NSN 6145-00-023-6778 has 4 cross-referenced part numbers: A-A-59551 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), QQW343E04G1B (Federal Specifications Promulgated by General Services Administration Washington DC), QQ-W-343 (Federal Specifications Promulgated by General Services Administration Washington DC), AA59551-E04G1B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 6145-00-023-6778?

There are 12 known substitutes for 6145-00-023-6778: 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 A-A-59551?

Key specifications for A-A-59551: Temp Rating: 20.0 CELSIUS DEGC; Cross Section Outside Diameter: 0.204 INCHES NOMINAL IN; Precious Material: SILVER; Material Document and Classification: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR. 22 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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