PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-W-16878/25Wire,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-01-453-6961 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-01-453-6961 — this item is cataloged by the U.S. Government under National Stock Number 6145-01-453-6961. Primary manufacturer part number: MIL-W-16878/25.
Features
  • Wire,electrical — FSC 6145
  • Strand Quantity Per Conductor: 37 SINGLE CONDUCTOR
  • Strand Awg Size Per Conductor: 26 SINGLE CONDUCTOR
  • Temp Rating: 260.0 CELSIUS DEGC
  • Surface Treatment: NICKEL CORE CONDUCTOR SINGLE CONDUCTOR
  • Voltage Rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
  • Color: ORANGE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Cross-Sectional Shape Style: ROUND
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Plastic Polytetrafluoroethylene First Position Primary Insulation Single Conductor construction
General Description

The Wire,electrical, cataloged under National Stock Number 6145-01-453-6961, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN6145-01-453-6961
Primary Part NumberMIL-W-16878/25
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
Strand Quantity Per Conductor37 SINGLE CONDUCTOR
Strand Awg Size Per Conductor26 SINGLE CONDUCTOR
Temp Rating260.0 CELSIUS DEGC
Surface TreatmentNICKEL CORE CONDUCTOR SINGLE CONDUCTOR
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
ColorORANGE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Round Conductor Size10 AWG SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B355 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Material Document and ClassificationASTM B355 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Cross Section Outside Diameter0.139 INCHES NOMINAL IN
Strand Quantity Per Conductor37 SINGLE CONDUCTOR
Strand Awg Size Per Conductor26 SINGLE CONDUCTOR
Temp Rating260.0 CELSIUS DEGC
Surface TreatmentNICKEL CORE CONDUCTOR SINGLE CONDUCTOR
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
ColorORANGE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Round Conductor Size10 AWG SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B355 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueFT
SMR CodeJN
Verified Substitutes 12
6145-00-283-7641M22759/12-20-0 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-00-581-1615HP3-EXBHB0 SUCCESSOR
Wire,electrical
National Electrical Mfrs Assn Dba Nema
6145-00-726-3721M22759/12-20-9 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-272-6586M22759/12-20-20 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-272-6587M22759/12-20-90 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-273-1713M22759/12-20-4 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-421-5109M22759/12-22-4 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-453-4869M22759/12-10-2 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-453-6993M22759/12-10-6 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
6145-01-453-6996M22759/12-10-8 SUCCESSOR
Wire,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MIL-W-16878/25 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M16878/25BME3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6145-00-283-7641SUCCESSOR
WIRE,ELECTRICAL
M22759/12-20-0
6145-00-581-1615SUCCESSOR
WIRE,ELECTRICAL
HP3-EXBHB0
6145-00-726-3721SUCCESSOR
WIRE,ELECTRICAL
M22759/12-20-9
6145-01-272-6586SUCCESSOR
WIRE,ELECTRICAL
M22759/12-20-20
6145-01-272-6587SUCCESSOR
WIRE,ELECTRICAL
M22759/12-20-90
6145-01-273-1713SUCCESSOR
WIRE,ELECTRICAL
M22759/12-20-4
6145-01-421-5109SUCCESSOR
WIRE,ELECTRICAL
M22759/12-22-4
6145-01-453-4869SUCCESSOR
WIRE,ELECTRICAL
M22759/12-10-2
6145-01-453-6993SUCCESSOR
WIRE,ELECTRICAL
M22759/12-10-6
6145-01-453-6996SUCCESSOR
WIRE,ELECTRICAL
M22759/12-10-8
6145-01-453-7015SUCCESSOR
WIRE,ELECTRICAL
M22759/12-10-98
6145-01-113-5955INTERCHANGEABLE
WIRE,ELECTRICAL

Frequently Asked Questions

What is NSN 6145-01-453-6961?

NSN 6145-01-453-6961 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 6145-01-453-6961?

NSN 6145-01-453-6961 has 2 cross-referenced part numbers: MIL-W-16878/25 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M16878/25BME3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6145-01-453-6961?

There are 12 known substitutes for 6145-01-453-6961: 6145-00-283-7641, 6145-00-581-1615, 6145-00-726-3721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-W-16878/25?

Key specifications for MIL-W-16878/25: Special Features: WIRE TREATED FOR BONDABILITY; Strand Quantity Per Conductor: 37 SINGLE CONDUCTOR; Strand Awg Size Per Conductor: 26 SINGLE CONDUCTOR; Temp Rating: 260.0 CELSIUS DEGC. 30 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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