PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

439-0657-000Cable,special Purpose,electrical

Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems · NSN 6145-00-721-8920 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-721-8920 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-721-8920. Primary manufacturer part number: 439-0657-000.
Features
  • Cable,special Purpose,electrical — FSC 6145
  • Precious Material and Location: SURFACE ALL CONDUCTORS SILVER AND SURFACE SHIELD BRAID SILVER
  • Material: STEEL CORE CONDUCTOR ALL CONDUCTORS
  • Surface Treatment Document and Classification: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
  • Round Conductor Size: 26 AWG ALL CONDUCTORS
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
  • Material: SILVER SECOND POSITION COATING CABLE
  • Conductor Form: STRANDED ALL CONDUCTORS
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Steel Core Conductor All Conductors construction
General Description

The Cable,special Purpose,electrical, cataloged under National Stock Number 6145-00-721-8920, 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 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, 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
NSN6145-00-721-8920
Primary Part Number439-0657-000
Item NameCable,special Purpose,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerRockwell Collins, Inc. Div Collins Aerospace - Mission Systems
StatusACTIVE
Precious Material and LocationSURFACE ALL CONDUCTORS SILVER AND SURFACE SHIELD BRAID SILVER
MaterialSTEEL CORE CONDUCTOR ALL CONDUCTORS
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Round Conductor Size26 AWG ALL CONDUCTORS
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
MaterialSILVER SECOND POSITION COATING CABLE
Conductor FormSTRANDED ALL CONDUCTORS
Strand Awg Size Per Conductor34 ALL CONDUCTORS
MaterialCOPPER FIRST POSITION CONDUCTOR ALL CONDUCTORS
MaterialCOPPER FIRST POSITION SHIELD BRAID METALLIC CABLE
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
ColorWHITE FIRST POSITION JACKET CABLE
Cross-Sectional Shape StyleROUND
Conductor Quantity2
Cross Section Outside Diameter0.137 INCHES NOMINAL IN
Precious MaterialSILVER
Strand Quantity Per Conductor7 ALL CONDUCTORS
Conductor Arrangement and Quantity1 TWISTED PAIR
Surface TreatmentSILVER CORE CONDUCTOR ALL CONDUCTORS
MaterialPLASTIC FLUORINATED ETHYLENE PROPYLENE THIRD POSITION JACKET CABLE
Temp Rating-65.0 CELSIUS AND 200.0 CELSIUS DEGC
Precious Material and LocationSURFACE ALL CONDUCTORS SILVER AND SURFACE SHIELD BRAID SILVER
MaterialSTEEL CORE CONDUCTOR ALL CONDUCTORS
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Round Conductor Size26 AWG ALL CONDUCTORS
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
MaterialSILVER SECOND POSITION COATING CABLE
Conductor FormSTRANDED ALL CONDUCTORS
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-056-8184
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueFT
SMR CodeJN
Weight0.1000 lbs
Cube0.0004 cu ft
Verified Substitutes 12
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
6145-00-762-109983318 SUCCESSOR
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cable,special Purpose,electrical
Cable,special Purpose,electrical
6145-01-038-88241943466-9 SUCCESSOR
Cable,power,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
Cross-Reference Index
Part NumberManufacturer
439-0657-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
MIL-DTL-55021/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
WH65333-09-02-01 Specialty Cable Corp Dba Specialty Cable Corp (USA)
E26S1-6SF Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ES26U1-6SF Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-55021/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-55021/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2ASWTE734ACWJTM1-6 Rscc Wire & Cable Llc (USA)
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
6145-00-060-5780SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-00-762-1099SUCCESSOR
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83318
6145-00-814-1037SUCCESSOR
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
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44A0111-16-2
6145-01-276-5867SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
ED741547-09-0

Frequently Asked Questions

What is NSN 6145-00-721-8920?

NSN 6145-00-721-8920 is a Cable,special Purpose,electrical, manufactured by Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-721-8920?

NSN 6145-00-721-8920 has 8 cross-referenced part numbers: 439-0657-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), MIL-DTL-55021/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), WH65333-09-02-01 (Specialty Cable Corp Dba Specialty Cable Corp), E26S1-6SF (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ES26U1-6SF (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 6145-00-721-8920?

There are 12 known substitutes for 6145-00-721-8920: 6145-00-450-1947, 6145-01-509-6754, 6145-01-509-6780 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 439-0657-000?

Key specifications for 439-0657-000: Precious Material and Location: SURFACE ALL CONDUCTORS SILVER AND SURFACE SHIELD BRAID SILVER; Material: STEEL CORE CONDUCTOR ALL CONDUCTORS; Special Features: PRIMARY INSUALTION CONFORMS TO L-P-403 TYPE 3; Surface Treatment Document and Classification: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS. 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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