PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40Wire,electrical

Copperweld Marketing and Sales Co · NSN 6145-00-187-4445 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-187-4445 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-187-4445. Primary manufacturer part number: 40.
Features
  • Wire,electrical — FSC 6145
  • Cross Section Outside Diameter: 0.051 INCHES NOMINAL IN
  • Material: STEEL CORE CONDUCTOR SINGLE CONDUCTOR
  • Round Conductor Size: 16 AWG SINGLE CONDUCTOR
  • Material: COPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
  • Conductor Form: SOLID SINGLE CONDUCTOR
  • Cross-Sectional Shape Style: ROUND
  • Cross Section Outside Diameter: 0.051 INCHES NOMINAL IN
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Steel Core Conductor Single Conductor construction
General Description

The Wire,electrical, cataloged under National Stock Number 6145-00-187-4445, 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 Copperweld Marketing and Sales Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6145-00-187-4445
Primary Part Number40
Item NameWire,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerCopperweld Marketing and Sales Co
StatusACTIVE
Cross Section Outside Diameter0.051 INCHES NOMINAL IN
MaterialSTEEL CORE CONDUCTOR SINGLE CONDUCTOR
Round Conductor Size16 AWG SINGLE CONDUCTOR
MaterialCOPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
Conductor FormSOLID SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Cross Section Outside Diameter0.051 INCHES NOMINAL IN
MaterialSTEEL CORE CONDUCTOR SINGLE CONDUCTOR
Round Conductor Size16 AWG SINGLE CONDUCTOR
MaterialCOPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
Conductor FormSOLID SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-232-0887 (M11000)
HAZMATNo
Verified Substitutes 7
6625-01-232-0887M11000 SUCCESSOR
Voltmeter
Sifco Applied Surface Concepts, Llc
6625-01-415-026240 SUCCESSOR
Multimeter
Fluke Corp
6145-01-567-23874/0 SUCCESSOR
Cable,power,electrical
Gould & Bass Company, Inc.
6145-00-160-6184BFW40 INTERCHANGEABLE
Fuse Wire
Cooper Bussmann, Llc Dba Cooper Industries
6145-00-284-1514 INTERCHANGEABLE
Wire,electrical
6145-00-537-3486A431-617 INTERCHANGEABLE
Wire,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6625-00-921-4460 INTERCHANGEABLE
Indicator,phase Sequence
Cross-Reference Index
Part NumberManufacturer
40 Copperweld Marketing and Sales Co (USA)
QQW345TYPE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
C0PPERWELD Copperweld Marketing and Sales Co (USA)
Related Parts
SUCCESSOR 6625-01-232-0887 Voltmeter · M11000
6625-01-415-0262SUCCESSOR
MULTIMETER
40
6145-01-567-2387SUCCESSOR
CABLE,POWER,ELECTRICAL
4/0
6145-00-160-6184INTERCHANGEABLE
FUSE WIRE
BFW40
6145-00-284-1514INTERCHANGEABLE
WIRE,ELECTRICAL
6145-00-537-3486INTERCHANGEABLE
WIRE,ELECTRICAL
A431-617
6625-00-921-4460INTERCHANGEABLE
INDICATOR,PHASE SEQUENCE

Frequently Asked Questions

What is NSN 6145-00-187-4445?

NSN 6145-00-187-4445 is a Wire,electrical, manufactured by Copperweld Marketing and Sales Co, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-187-4445?

NSN 6145-00-187-4445 has 3 cross-referenced part numbers: 40 (Copperweld Marketing and Sales Co), QQW345TYPE1 (Federal Specifications Promulgated by General Services Administration Washington DC), C0PPERWELD (Copperweld Marketing and Sales Co).

What NSN replaces 6145-00-187-4445?

There are 7 known substitutes for 6145-00-187-4445: 6625-01-232-0887, 6625-01-415-0262, 6145-01-567-2387 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40?

Key specifications for 40: Cross Section Outside Diameter: 0.051 INCHES NOMINAL IN; Material: STEEL CORE CONDUCTOR SINGLE CONDUCTOR; Round Conductor Size: 16 AWG SINGLE CONDUCTOR; Material: COPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR. 12 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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