PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-791/1Fuse,plug

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-078-1323 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-078-1323 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-078-1323. Primary manufacturer part number: W-F-791/1.
Features
  • Fuse,plug — FSC 5920
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Material: CERAMIC OR GLASS OR PLASTIC CASE
  • Overall Diameter: 1.281 INCHES MAXIMUM IN
  • Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
  • Surface Treatment: NICKEL TERMINAL
  • Terminal Length: 0.750 INCHES MAXIMUM IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
Applications
  • Applications requiring Ceramic or Glass or Plastic Case construction
General Description

The Fuse,plug, cataloged under National Stock Number 5920-01-078-1323, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-078-1323
Primary Part NumberW-F-791/1
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Interruption Indicator MethodVISIBLE ELEMENT
MaterialCERAMIC OR GLASS OR PLASTIC CASE
Overall Diameter1.281 INCHES MAXIMUM IN
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Surface TreatmentNICKEL TERMINAL
Terminal Length0.750 INCHES MAXIMUM IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Continuous Current Rating in Amps1.000
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.).
Specification/standard Data81348-W-F-791/1 GOVERNMENT SPECIFICATION
Body StyleEDISON BASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5920-00-228-4463 INTERCHANGEABLE
Fuse,plug
5920-00-228-4465 INTERCHANGEABLE
Fuse,plug
5920-00-228-4482 INTERCHANGEABLE
Fuse,plug
5920-00-240-4114 INTERCHANGEABLE
Fuse,plug
5920-00-284-7126 INTERCHANGEABLE
Fuse,plug
5920-00-296-4884 INTERCHANGEABLE
Fuse,plug
5920-00-296-4886 INTERCHANGEABLE
Fuse,plug
5920-00-519-9047 INTERCHANGEABLE
Fuse,plug
5920-01-260-8542 INTERCHANGEABLE
Fuse,plug
Cross-Reference Index
Part NumberManufacturer
W-F-791/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W1IAWUL198.5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
AA55470-02 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA55470 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WF791/1-001 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
CP-1IAWUL198.5 Federal Pacific Electric Co Economy Fuse Div (USA)
Related Parts
5920-00-228-4463INTERCHANGEABLE
FUSE,PLUG
5920-00-228-4465INTERCHANGEABLE
FUSE,PLUG
5920-00-228-4482INTERCHANGEABLE
FUSE,PLUG
5920-00-240-4114INTERCHANGEABLE
FUSE,PLUG
5920-00-284-7126INTERCHANGEABLE
FUSE,PLUG
5920-00-296-4884INTERCHANGEABLE
FUSE,PLUG
5920-00-296-4886INTERCHANGEABLE
FUSE,PLUG
5920-00-519-9047INTERCHANGEABLE
FUSE,PLUG
5920-01-260-8542INTERCHANGEABLE
FUSE,PLUG

Frequently Asked Questions

What is NSN 5920-01-078-1323?

NSN 5920-01-078-1323 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 5920-01-078-1323?

NSN 5920-01-078-1323 has 7 cross-referenced part numbers: W-F-791/1 (Federal Specifications Promulgated by General Services Administration Washington DC), W1IAWUL198.5 (Cooper Bussmann, Llc Dba Cooper Industries), AA55470-02 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WF791 (Federal Specifications Promulgated by General Services Administration Washington DC), AA55470 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 5920-01-078-1323?

There are 9 known substitutes for 5920-01-078-1323: 5920-00-228-4463, 5920-00-228-4465, 5920-00-228-4482 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-F-791/1?

Key specifications for W-F-791/1: Interruption Indicator Method: VISIBLE ELEMENT; Material: CERAMIC OR GLASS OR PLASTIC CASE; Overall Diameter: 1.281 INCHES MAXIMUM IN; Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-078-1323 still in active supply?

NSN 5920-01-078-1323 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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