PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-W-25038/1Wire,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-00-635-9867 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-635-9867 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-635-9867. Primary manufacturer part number: MIL-W-25038/1.
Features
  • Wire,electrical — FSC 6145
  • Cross Section Outside Diameter: 0.127 INCHES NOMINAL IN
  • Temp Rating: 260.0 CELSIUS DEGC
  • Strand Quantity Per Conductor: 19 SINGLE CONDUCTOR
  • Strand Awg Size Per Conductor: 30 SINGLE CONDUCTOR
  • Round Conductor Size: 18 AWG SINGLE CONDUCTOR
  • Color: WHITE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Material Document and Classification: ASTM B355 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR 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 6145-00-635-9867, 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 8 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.

Technical Specifications
ParameterValue
NSN6145-00-635-9867
Primary Part NumberMIL-W-25038/1
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
StatusCANCELLED
Cross Section Outside Diameter0.127 INCHES NOMINAL IN
Temp Rating260.0 CELSIUS DEGC
Strand Quantity Per Conductor19 SINGLE CONDUCTOR
Strand Awg Size Per Conductor30 SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
ColorWHITE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Material Document and ClassificationASTM B355 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Surface TreatmentNICKEL CORE CONDUCTOR SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B355 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Cross Section Outside Diameter0.127 INCHES NOMINAL IN
Temp Rating260.0 CELSIUS DEGC
Strand Quantity Per Conductor19 SINGLE CONDUCTOR
Strand Awg Size Per Conductor30 SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
ColorWHITE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Material Document and ClassificationASTM B355 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Surface TreatmentNICKEL CORE CONDUCTOR SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B355 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Weight0.0121 lbs
Cube0.0001 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
MIL-W-25038/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RSS5-152-18-9 Rockbestos Co the a Member of the Marmon Group (USA)
246338 Hughes Missile Systems Co San Diego (USA)
RSS5-101-18 Rockbestos Co the a Member of the Marmon Group (USA)
18GA246338 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
H34-0181 Rockbestos Co the a Member of the Marmon Group (USA)
MS27125-18 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M25038/1-18-9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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Frequently Asked Questions

What is NSN 6145-00-635-9867?

NSN 6145-00-635-9867 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: cancelled.

What are the part numbers for NSN 6145-00-635-9867?

NSN 6145-00-635-9867 has 8 cross-referenced part numbers: MIL-W-25038/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RSS5-152-18-9 (Rockbestos Co the a Member of the Marmon Group), 246338 (Hughes Missile Systems Co San Diego), RSS5-101-18 (Rockbestos Co the a Member of the Marmon Group), 18GA246338 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company) and 3 more.

What NSN replaces 6145-00-635-9867?

There are 12 known substitutes for 6145-00-635-9867: 6145-00-307-4346, 6145-00-307-4348, 6145-00-307-4349 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-W-25038/1?

Key specifications for MIL-W-25038/1: Cross Section Outside Diameter: 0.127 INCHES NOMINAL IN; Temp Rating: 260.0 CELSIUS DEGC; Strand Quantity Per Conductor: 19 SINGLE CONDUCTOR; Strand Awg Size Per Conductor: 30 SINGLE CONDUCTOR. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6145-00-635-9867 still in active supply?

NSN 6145-00-635-9867 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.
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