PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1866-10Wire,electrical

Belden, Inc. · NSN 6145-00-807-5231 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-807-5231 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-807-5231. Primary manufacturer part number: 1866-10.
Features
  • Wire,electrical — FSC 6145
  • Conductor Form: STRANDED SINGLE CONDUCTOR
  • Round Conductor Size: 20 AWG SINGLE CONDUCTOR
  • Surface Treatment Document and Classification: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
  • Material: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
  • Color: VIOLET FIRST POSITION COVER SINGLE CONDUCTOR
  • Material: PLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
  • Temp Rating: -55.0 CELSIUS AND 115.0 CELSIUS DEGC
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Copper Alloy 101 or Copper Alloy 102 Core Conductor Single Conductor construction
General Description

The Wire,electrical, cataloged under National Stock Number 6145-00-807-5231, 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 Belden, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN6145-00-807-5231
Primary Part Number1866-10
Item NameWire,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerBelden, Inc.
StatusCANCELLED
Conductor FormSTRANDED SINGLE CONDUCTOR
Round Conductor Size20 AWG SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
ColorVIOLET FIRST POSITION COVER SINGLE CONDUCTOR
MaterialPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
Temp Rating-55.0 CELSIUS AND 115.0 CELSIUS DEGC
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Material Document and ClassificationMIL-M-20693,TYPE 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Strand Awg Size Per Conductor28 SINGLE CONDUCTOR
Cross Section Outside Diameter0.063 INCHES NOMINAL IN
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Material Document and ClassificationASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Conductor FormSTRANDED SINGLE CONDUCTOR
Round Conductor Size20 AWG SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
ColorVIOLET FIRST POSITION COVER SINGLE CONDUCTOR
MaterialPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
Temp Rating-55.0 CELSIUS AND 115.0 CELSIUS DEGC
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Material Document and ClassificationMIL-M-20693,TYPE 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Strand Awg Size Per Conductor28 SINGLE CONDUCTOR
Cross Section Outside Diameter0.063 INCHES NOMINAL IN
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Weight0.0100 lbs
Cube0.0000 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
1866-10 Belden, Inc. (USA)
439-8008-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
10220-7 The Dewey Electronics Corporation Div Pitometer Log Division (USA)
M16878/17BGB7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-W-16878/17 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4980B20J7 L3harris Technologies, Inc. Dba Harris Corporation (USA)
439-8008-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
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Frequently Asked Questions

What is NSN 6145-00-807-5231?

NSN 6145-00-807-5231 is a Wire,electrical, manufactured by Belden, Inc., classified under FSC 6145 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6145-00-807-5231?

NSN 6145-00-807-5231 has 7 cross-referenced part numbers: 1866-10 (Belden, Inc.), 439-8008-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 10220-7 (The Dewey Electronics Corporation Div Pitometer Log Division), M16878/17BGB7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-W-16878/17 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 6145-00-807-5231?

There are 12 known substitutes for 6145-00-807-5231: 6145-00-023-6777, 6145-00-052-3278, 6145-00-088-8449 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1866-10?

Key specifications for 1866-10: Conductor Form: STRANDED SINGLE CONDUCTOR; Round Conductor Size: 20 AWG SINGLE CONDUCTOR; Surface Treatment Document and Classification: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR; Material: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6145-00-807-5231 still in active supply?

NSN 6145-00-807-5231 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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