PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

670-20IAWUL198.5Fuse,plug

Cooper Wiring Devices Inc. · NSN 5920-00-636-3052 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-636-3052 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-636-3052. Primary manufacturer part number: 670-20IAWUL198.5.
Features
  • Fuse,plug — FSC 5920
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Specification/standard Data: 81348-W-F-791/2 GOVERNMENT SPECIFICATION
  • Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
  • Test Data Document: 81348-W-F-791 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Continuous Current Rating in Amps: 20.000
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Circuit Over-Current Interruption Delay Time in Seconds: 30.0 400 PCT OF CURRENT RATING
Applications
  • Applications requiring Ceramic or Glass or Plastic Case construction
General Description

The Fuse,plug, cataloged under National Stock Number 5920-00-636-3052, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cooper Wiring Devices Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN5920-00-636-3052
Primary Part Number670-20IAWUL198.5
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Wiring Devices Inc.
StatusCANCELLED
Interruption Indicator MethodVISIBLE ELEMENT
Specification/standard Data81348-W-F-791/2 GOVERNMENT SPECIFICATION
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Test Data Document81348-W-F-791 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Continuous Current Rating in Amps20.000
Circuit Over-Current Interruption TypeTIME DELAY
Circuit Over-Current Interruption Delay Time in Seconds30.0 400 PCT OF CURRENT RATING
MaterialCERAMIC OR GLASS OR PLASTIC CASE
Body StyleEDISON BASE
Terminal Length0.750 INCHES NOMINAL IN
Overall Diameter1.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-240-4117T30 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
1610-00-483-649967020 INTERCHANGEABLE
Coupling-Gov Drive-
Hamilton Sundstrand Corporation Dba Collins Aerospace
5920-00-538-4951 INTERCHANGEABLE
Fuse,plug
3110-00-554-3941177003-107 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5996-00-617-079667-020 INTERCHANGEABLE
Amplifier,electronic Control
Lockheed Martin Corporation Div Rms - Mitchel Field
5920-00-688-4084 INTERCHANGEABLE
Fuse,plug
5120-00-935-7442 INTERCHANGEABLE
Socket,socket Wrench
5940-00-983-6061 INTERCHANGEABLE
Terminal Board
5955-01-076-26244050 INTERCHANGEABLE
Oscillator,crystal Controlled
Monitor Products Co. Inc. Dba Monitor Products Co. Inc.
6760-01-128-9242 INTERCHANGEABLE
Slide File,photographic
Cross-Reference Index
Part NumberManufacturer
670-20IAWUL198.5 Cooper Wiring Devices Inc. (USA)
TL20 Cooper Bussmann, Llc Dba Cooper Industries (USA)
670-20 Cooper Wiring Devices Inc. (USA)
TL20IAWUL198.5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
W-F-791/2-032 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-55471 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
F14B125V20A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA55471-02 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-240-4117INTERCHANGEABLE
FUSE,PLUG
T30
1610-00-483-6499INTERCHANGEABLE
COUPLING-GOV DRIVE-
67020
5920-00-538-4951INTERCHANGEABLE
FUSE,PLUG
3110-00-554-3941INTERCHANGEABLE
BEARING,BALL,ANNULAR
177003-107
5996-00-617-0796INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
67-020
5920-00-688-4084INTERCHANGEABLE
FUSE,PLUG
5120-00-935-7442INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5940-00-983-6061INTERCHANGEABLE
TERMINAL BOARD
5955-01-076-2624INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
4050
6760-01-128-9242INTERCHANGEABLE
SLIDE FILE,PHOTOGRAPHIC
6625-01-335-3088INTERCHANGEABLE
LEAD,TEST
TL220
5310-01-390-2840INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5920-00-636-3052?

NSN 5920-00-636-3052 is a Fuse,plug, manufactured by Cooper Wiring Devices Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-636-3052?

NSN 5920-00-636-3052 has 9 cross-referenced part numbers: 670-20IAWUL198.5 (Cooper Wiring Devices Inc.), TL20 (Cooper Bussmann, Llc Dba Cooper Industries), 670-20 (Cooper Wiring Devices Inc.), TL20IAWUL198.5 (Cooper Bussmann, Llc Dba Cooper Industries), W-F-791/2-032 (Federal Specifications Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 5920-00-636-3052?

There are 12 known substitutes for 5920-00-636-3052: 5920-00-240-4117, 1610-00-483-6499, 5920-00-538-4951 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 670-20IAWUL198.5?

Key specifications for 670-20IAWUL198.5: Interruption Indicator Method: VISIBLE ELEMENT; Specification/standard Data: 81348-W-F-791/2 GOVERNMENT SPECIFICATION; Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC; Test Data Document: 81348-W-F-791 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-636-3052 still in active supply?

NSN 5920-00-636-3052 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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