PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-W-16878/18Wire,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-00-617-1258 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-617-1258 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-617-1258. Primary manufacturer part number: MIL-W-16878/18.
Features
  • Wire,electrical — FSC 6145
  • Color: BLACK FIRST POSITION COVER SINGLE CONDUCTOR
  • Conductor Form: STRANDED SINGLE CONDUCTOR
  • Surface Treatment Document and Classification: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
  • Material Document and Classification: ASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
  • Material Document and Classification: MIL-M-20693,TYPE 3 GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
  • Material: PLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
  • Surface Treatment: TIN CORE CONDUCTOR SINGLE CONDUCTOR
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Plastic Polyamide Nylon Second Position Jacket Single Conductor construction
General Description

The Wire,electrical, cataloged under National Stock Number 6145-00-617-1258, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6145-00-617-1258
Primary Part NumberMIL-W-16878/18
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
ColorBLACK FIRST POSITION COVER SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Material Document and ClassificationASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
Material Document and ClassificationMIL-M-20693,TYPE 3 GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
MaterialPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Temp Rating105.0 CELSIUS DEGC
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Voltage Rating1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
MaterialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
Strand Awg Size Per Conductor26 SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Cross Section Outside Diameter0.089 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
ColorBLACK FIRST POSITION COVER SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Material Document and ClassificationASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
Material Document and ClassificationMIL-M-20693,TYPE 3 GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
MaterialPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Temp Rating105.0 CELSIUS DEGC
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Voltage Rating1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
MaterialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
Strand Awg Size Per Conductor26 SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-065-4310 (10049101-21)
HAZMATNo
Verified Substitutes 12
Wire,electrical
Wire,electrical
6145-00-065-431010049101-21 SUCCESSOR
Wire,electrical
Us Army Aviation and Missile Command
Wire,electrical
Wire,electrical
6145-00-417-7176NX4824SJ SUCCESSOR
Cable,special Purpose,electrical
National Wire and Cable Corporation Dba National Wire and Cable Div National Cable Molding Corporation
Wire,electrical
6145-00-548-0946439-1906-00 SUCCESSOR
Cable,special Purpose,electrical
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
6145-00-553-1916F111J20 SUCCESSOR
Cable,special Purpose,electrical
Bae Systems Information and Electronic Systems Integration Inc.
Cable,special Purpose,electrical
Cross-Reference Index
Part NumberManufacturer
MIL-W-16878/18 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M16878/18BHB0 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
439-1376-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
439-1376-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
MIL-W-16878/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6145-00-065-4310 Wire,electrical · 10049101-21
6145-00-023-6627SUCCESSOR
WIRE,ELECTRICAL
6145-00-023-6772SUCCESSOR
WIRE,ELECTRICAL
6145-00-065-4314SUCCESSOR
WIRE,ELECTRICAL
6145-00-089-6300SUCCESSOR
WIRE,ELECTRICAL
6145-00-417-7176SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
NX4824SJ
6145-00-500-1017SUCCESSOR
WIRE,ELECTRICAL
6145-00-548-0946SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
439-1906-00
6145-00-553-1916SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
F111J20
6145-00-553-1921SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-00-617-0357SUCCESSOR
WIRE,ELECTRICAL
6145-00-617-0359SUCCESSOR
WIRE,ELECTRICAL

Frequently Asked Questions

What is NSN 6145-00-617-1258?

NSN 6145-00-617-1258 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 6145-00-617-1258?

NSN 6145-00-617-1258 has 5 cross-referenced part numbers: MIL-W-16878/18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M16878/18BHB0 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 439-1376-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 439-1376-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), MIL-W-16878/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6145-00-617-1258?

There are 12 known substitutes for 6145-00-617-1258: 6145-00-023-6627, 6145-00-023-6772, 6145-00-065-4310 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-W-16878/18?

Key specifications for MIL-W-16878/18: Color: BLACK FIRST POSITION COVER SINGLE CONDUCTOR; Conductor Form: STRANDED SINGLE CONDUCTOR; Surface Treatment Document and Classification: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR; Material Document and Classification: ASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR. 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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