PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

491Cable,special Purpose,electrical

Wl Gore & Associates Inc · NSN 6145-01-253-3190 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-01-253-3190 — this item is cataloged by the U.S. Government under National Stock Number 6145-01-253-3190. Primary manufacturer part number: 491.
Features
  • Cable,special Purpose,electrical — FSC 6145
  • Conductor Arrangement and Quantity: 3 TWISTED TOGETHER W/NO OUTER COVERING
  • Precious Material: SILVER
  • Cross-Sectional Width: 0.035 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
  • Surface Treatment: SILVER CORE CONDUCTOR ALL CONDUCTORS
  • Conductor Form: SOLID ALL CONDUCTORS
  • Round Conductor Size: 30 AWG ALL CONDUCTORS
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Copper Alloy 102 Core Conductor All Conductors construction
General Description

The Cable,special Purpose,electrical, cataloged under National Stock Number 6145-01-253-3190, 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 Wl Gore & Associates Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-01-253-3190
Primary Part Number491
Item NameCable,special Purpose,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerWl Gore & Associates Inc
StatusACTIVE
Conductor Arrangement and Quantity3 TWISTED TOGETHER W/NO OUTER COVERING
Precious MaterialSILVER
Cross-Sectional Width0.035 INCHES NOMINAL IN
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Surface TreatmentSILVER CORE CONDUCTOR ALL CONDUCTORS
Conductor FormSOLID ALL CONDUCTORS
Round Conductor Size30 AWG ALL CONDUCTORS
Material Document and ClassificationASTM B170 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Precious Material and LocationSURFACE ALL CONDUCTORS SILVER
Voltage Rating300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
Temp Rating-45.6 CELSIUS AND 71.0 CELSIUS DEGC
Cross-Sectional Height0.035 INCHES NOMINAL IN
Conductor Quantity3
MaterialCOPPER ALLOY 102 CORE CONDUCTOR ALL CONDUCTORS
Cross-Sectional Shape StyleTWIST
Precious MaterialSILVER
Cross-Sectional Width0.035 INCHES NOMINAL IN
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Surface TreatmentSILVER CORE CONDUCTOR ALL CONDUCTORS
Conductor FormSOLID ALL CONDUCTORS
Round Conductor Size30 AWG ALL CONDUCTORS
Conductor Arrangement and Quantity3 TWISTED TOGETHER W/NO OUTER COVERING
Material Document and ClassificationASTM B170 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Precious Material and LocationSURFACE ALL CONDUCTORS SILVER
Voltage Rating300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
Temp Rating-45.6 CELSIUS AND 71.0 CELSIUS DEGC
Cross-Sectional Height0.035 INCHES NOMINAL IN
Conductor Quantity3
MaterialCOPPER ALLOY 102 CORE CONDUCTOR ALL CONDUCTORS
Cross-Sectional Shape StyleTWIST
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueFT
SMR CodeJF
Verified Substitutes 2
Disk,flexible
6625-00-494-2937491 INTERCHANGEABLE
Analyzer,spectrum
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
491 W. L. Gore & Associates Gmbh (DEU)
491 PRIMARY Wl Gore & Associates Inc (USA)
11455404 Us Army Aviation and Missile Command (USA)
Related Parts
7045-01-283-4362SUCCESSOR
DISK,FLEXIBLE
6625-00-494-2937INTERCHANGEABLE
ANALYZER,SPECTRUM
491

Frequently Asked Questions

What is NSN 6145-01-253-3190?

NSN 6145-01-253-3190 is a Cable,special Purpose,electrical, manufactured by Wl Gore & Associates Inc, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-01-253-3190?

NSN 6145-01-253-3190 has 3 cross-referenced part numbers: 491 (W. L. Gore & Associates Gmbh), 491 (Wl Gore & Associates Inc), 11455404 (Us Army Aviation and Missile Command).

What NSN replaces 6145-01-253-3190?

There are 2 known substitutes for 6145-01-253-3190: 7045-01-283-4362, 6625-00-494-2937. Verify interchangeability with system specifications before substitution.

What are the specifications of 491?

Key specifications for 491: Conductor Arrangement and Quantity: 3 TWISTED TOGETHER W/NO OUTER COVERING; Precious Material: SILVER; Cross-Sectional Width: 0.035 INCHES NOMINAL IN; 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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