PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

THHN/THWN12AWG-SOLID-WHT.Wire,electrical

Beck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle · NSN 6145-00-173-6643 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-173-6643 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-173-6643. Primary manufacturer part number: THHN/THWN12AWG-SOLID-WHT..
Features
  • Wire,electrical — FSC 6145
  • Voltage Rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
  • Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
  • Material: PLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
  • Material: PLASTIC FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Conductor Form: SOLID SINGLE CONDUCTOR
  • Color: WHITE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Round Conductor Size: 12 AWG 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 6145-00-173-6643, 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 Beck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: SL.

Technical Specifications
ParameterValue
NSN6145-00-173-6643
Primary Part NumberTHHN/THWN12AWG-SOLID-WHT.
Item NameWire,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerBeck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle
StatusCANCELLED
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
MaterialPLASTIC FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Conductor FormSOLID SINGLE CONDUCTOR
ColorWHITE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Round Conductor Size12 AWG SINGLE CONDUCTOR
Temp Rating90.0 CELSIUS DEGC
Cross-Sectional Shape StyleROUND
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
MaterialPLASTIC FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Conductor FormSOLID SINGLE CONDUCTOR
ColorWHITE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Round Conductor Size12 AWG SINGLE CONDUCTOR
Temp Rating90.0 CELSIUS DEGC
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6145-00-299-6229
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueSL
SMR CodeDZ
Weight12.3450 lbs
Cube0.1712 cu ft
Verified Substitutes 12
Wire,electrical
Wire,electrical
Wire,electrical
5999-00-049-8798280L SUCCESSOR
Clip,electrical
Viking Technologies, Ltd.
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Wire,electrical
Cross-Reference Index
Part NumberManufacturer
THHN/THWN12AWG-SOLID-WHT. Beck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle (USA)
A-A-59544 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59544THHN/THWN06CE1/12TPJ9 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
THHN/THWN06CE1/12TPJ9 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
J-C-30THHN/THWN06CE1/12TPJ9 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W0783-9 York Technical Institute Llc Dba Yti Career Institute-Mechanicsburg (USA)
J-C-30 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
J-C-30THHN06CE1/12TP Federal Specifications Promulgated by General Services Administration Washington DC (USA)
THWN12AWGS0LIDWHITE Southwire Company Douglas Plant (USA)
12 Beck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle (USA)
Related Parts
SUCCESSOR 6145-00-299-6229 Wire,electrical
6145-01-047-8113SUCCESSOR
WIRE,ELECTRICAL
6145-01-207-3811SUCCESSOR
WIRE,ELECTRICAL
6145-01-207-3815SUCCESSOR
WIRE,ELECTRICAL
5999-00-049-8798SUCCESSOR
CLIP,ELECTRICAL
280L
6145-00-239-0784SUCCESSOR
WIRE,ELECTRICAL
6145-00-290-1759SUCCESSOR
WIRE,ELECTRICAL
6145-00-975-4457SUCCESSOR
WIRE,ELECTRICAL
6145-01-068-8610SUCCESSOR
WIRE,ELECTRICAL
6145-01-088-0373SUCCESSOR
WIRE,ELECTRICAL
6145-01-114-2988SUCCESSOR
WIRE,ELECTRICAL
6145-01-539-6899SUCCESSOR
WIRE,ELECTRICAL

Frequently Asked Questions

What is NSN 6145-00-173-6643?

NSN 6145-00-173-6643 is a Wire,electrical, manufactured by Beck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle, classified under FSC 6145 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6145-00-173-6643?

NSN 6145-00-173-6643 has 10 cross-referenced part numbers: THHN/THWN12AWG-SOLID-WHT. (Beck Electric Supply Co, Incorporated Dba Beck Electric Supply Co Div Seattle), A-A-59544 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59544THHN/THWN06CE1/12TPJ9 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), THHN/THWN06CE1/12TPJ9 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), J-C-30THHN/THWN06CE1/12TPJ9 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 6145-00-173-6643?

There are 12 known substitutes for 6145-00-173-6643: 6145-01-047-8113, 6145-01-207-3811, 6145-01-207-3815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of THHN/THWN12AWG-SOLID-WHT.?

Key specifications for THHN/THWN12AWG-SOLID-WHT.: Special Features: WIRE DUAL RATED AND MEETS THE PERFORMANCE REQUIREMENTS OF UL TYPESTHWN AND THHN; Voltage Rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR; Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR; Material: PLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6145-00-173-6643 still in active supply?

NSN 6145-00-173-6643 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com