PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF791-3Fuse,plug

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-260-8500 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-260-8500 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-260-8500. Primary manufacturer part number: WF791-3.
Features
  • Fuse,plug — FSC 5920
  • Overall Diameter: 1.250 INCHES MAXIMUM IN
  • Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING
  • Continuous Current Rating in Amps: 9.000
  • Circuit Over-Current Interruption Type: TIME DELAY
  • 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.).
Applications
  • Applications requiring Ceramic or Glass or Plastic Case construction
General Description

The Fuse,plug, cataloged under National Stock Number 5920-01-260-8500, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5920-01-260-8500
Primary Part NumberWF791-3
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Overall Diameter1.250 INCHES MAXIMUM IN
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption Delay Time in Seconds12.0 200 PCT OF CURRENT RATING
Continuous Current Rating in Amps9.000
Circuit Over-Current Interruption TypeTIME DELAY
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.).
MaterialCERAMIC OR GLASS OR PLASTIC CASE
Specification/standard Data81348-W-F-791/3 GOVERNMENT SPECIFICATION
Body StyleS-BASE
Terminal Length0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-131-9972 INTERCHANGEABLE
Fuse,plug
5920-00-131-9973 INTERCHANGEABLE
Fuse,plug
5920-00-131-9974GE3770-25 INTERCHANGEABLE
Fuse,plug
General Electric Co Wiring Device Dept
5920-00-228-4457 INTERCHANGEABLE
Fuse,plug
5920-00-228-4477 INTERCHANGEABLE
Fuse,plug
5920-00-245-0250 INTERCHANGEABLE
Fuse,plug
5920-00-280-9312 INTERCHANGEABLE
Fuse,plug
5920-00-503-2965 INTERCHANGEABLE
Fuse,plug
5920-00-552-1554 INTERCHANGEABLE
Fuse,plug
5920-00-552-1555 INTERCHANGEABLE
Fuse,plug
Cross-Reference Index
Part NumberManufacturer
WF791-3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA55472-28 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WF791/3-025 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-55472 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-131-9972INTERCHANGEABLE
FUSE,PLUG
5920-00-131-9973INTERCHANGEABLE
FUSE,PLUG
5920-00-131-9974INTERCHANGEABLE
FUSE,PLUG
GE3770-25
5920-00-228-4457INTERCHANGEABLE
FUSE,PLUG
5920-00-228-4477INTERCHANGEABLE
FUSE,PLUG
5920-00-245-0250INTERCHANGEABLE
FUSE,PLUG
5920-00-280-9312INTERCHANGEABLE
FUSE,PLUG
5920-00-503-2965INTERCHANGEABLE
FUSE,PLUG
5920-00-552-1554INTERCHANGEABLE
FUSE,PLUG
5920-00-552-1555INTERCHANGEABLE
FUSE,PLUG
5920-00-552-8558INTERCHANGEABLE
FUSE,PLUG
5920-00-552-8559INTERCHANGEABLE
FUSE,PLUG

Frequently Asked Questions

What is NSN 5920-01-260-8500?

NSN 5920-01-260-8500 is a Fuse,plug, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-01-260-8500?

NSN 5920-01-260-8500 has 4 cross-referenced part numbers: WF791-3 (Federal Specifications Promulgated by General Services Administration Washington DC), AA55472-28 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WF791/3-025 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-55472 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 5920-01-260-8500?

There are 12 known substitutes for 5920-01-260-8500: 5920-00-131-9972, 5920-00-131-9973, 5920-00-131-9974 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF791-3?

Key specifications for WF791-3: Overall Diameter: 1.250 INCHES MAXIMUM IN; Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC; Interruption Indicator Method: VISIBLE ELEMENT; Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-260-8500 still in active supply?

NSN 5920-01-260-8500 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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