PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-55021/2Cable,power,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-00-006-8520 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-006-8520 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-006-8520. Primary manufacturer part number: MIL-C-55021/2.
Features
  • Cable,power,electrical — FSC 6145
  • Cross-Sectional Shape Style: ROUND
  • Temp Rating: 200.0 CELSIUS DEGC
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Conductor Form: STRANDED SINGLE CONDUCTOR
  • Material: COPPER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR
  • Surface Treatment Document and Classification: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
  • Precious Material and Location: SURFACE SINGLE CONDUCTOR SILVER
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Plastic Polytetrafluoroethylene First Position Primary Insulation Single Conductor construction
General Description

The Cable,power,electrical, cataloged under National Stock Number 6145-00-006-8520, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-00-006-8520
Primary Part NumberMIL-C-55021/2
Item NameCable,power,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
Cross-Sectional Shape StyleROUND
Temp Rating200.0 CELSIUS DEGC
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialCOPPER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Precious Material and LocationSURFACE SINGLE CONDUCTOR SILVER
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Material Document and ClassificationQQ-W-343,SOFT FED STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYTETRAFLUOROETHYLENE THIRD POSITION JACKET SINGLE CONDUCTOR
Conductor Arrangement and Quantity1 SINGLES
Strand Quantity Per Conductor19 SINGLE CONDUCTOR
Strand Awg Size Per Conductor25 SINGLE CONDUCTOR
ColorWHITE FIRST POSITION COVER SINGLE CONDUCTOR
Round Conductor Size12 AWG SINGLE CONDUCTOR
Surface TreatmentSILVER CORE CONDUCTOR SINGLE CONDUCTOR
Surface TreatmentSILVER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR
Conductor Quantity1
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Cross Section Outside Diameter0.143 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Temp Rating200.0 CELSIUS DEGC
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialCOPPER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Precious Material and LocationSURFACE SINGLE CONDUCTOR SILVER
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Material Document and ClassificationQQ-W-343,SOFT FED STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYTETRAFLUOROETHYLENE THIRD POSITION JACKET SINGLE CONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-056-8184
HAZMATNo
Shelf Life Code0
Unit of IssueFT
SMR CodeJ
Verified Substitutes 10
6145-00-450-1947M27500-18RC1S06 SUCCESSOR
Wire,electrical
National Electrical Mfrs Assn Dba Nema
Cable,special Purpose,electrical
Cable,special Purpose,electrical
Cable,special Purpose,electrical
Cable,power,electrical
Cable,special Purpose,electrical
6145-01-038-88241943466-9 SUCCESSOR
Cable,power,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
6145-01-138-142444A0111-16-2 SUCCESSOR
Wire,electrical
Tyco Electronics Uk Ltd
6145-01-276-5867ED741547-09-0 SUCCESSOR
Cable,special Purpose,electrical
Hamilton Sundstrand Corporation Dba Collins Aerospace
6145-00-056-8186760-79045-860 INTERCHANGEABLE
Cable,power,electrical
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
MIL-C-55021/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E12C9STW Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-55021/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6145-00-056-8184 Cable,power,electrical
6145-00-450-1947SUCCESSOR
WIRE,ELECTRICAL
M27500-18RC1S06
6145-01-509-6754SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-01-509-6780SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-01-515-3906SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-00-825-6924SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-01-038-8824SUCCESSOR
CABLE,POWER,ELECTRICAL
1943466-9
6145-01-138-1424SUCCESSOR
WIRE,ELECTRICAL
44A0111-16-2
6145-01-276-5867SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
ED741547-09-0
6145-00-056-8186INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
760-79045-860

Frequently Asked Questions

What is NSN 6145-00-006-8520?

NSN 6145-00-006-8520 is a Cable,power,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 6145-00-006-8520?

NSN 6145-00-006-8520 has 3 cross-referenced part numbers: MIL-C-55021/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E12C9STW (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-55021/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6145-00-006-8520?

There are 10 known substitutes for 6145-00-006-8520: 6145-00-450-1947, 6145-01-509-6754, 6145-01-509-6780 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-55021/2?

Key specifications for MIL-C-55021/2: Cross-Sectional Shape Style: ROUND; Temp Rating: 200.0 CELSIUS DEGC; Material: PLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR; Conductor Form: STRANDED 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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