PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF791AFuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-00-142-7434 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-142-7434 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-142-7434. Primary manufacturer part number: WF791A.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: NICKEL TERMINAL
  • 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.).
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Continuous Current Rating in Amps: 3.200
  • Interruption Indicator Method: OPAQUE BODY
  • Maximum Voltage Rating in Volts: 600.0 AC AND 600.0 DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-142-7434, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-142-7434
Primary Part NumberWF791A
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Surface TreatmentNICKEL TERMINAL
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.).
Overall Diameter0.562 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Continuous Current Rating in Amps3.200
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating in Volts600.0 AC AND 600.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Body StyleTUBE TYPE
Specification/standard Data81348-W-F-791/1 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5920-00-131-9822416-6507-793147A INTERCHANGEABLE
Fuse,cartridge
Naval Sea Systems Command
5920-00-131-98659111949 INTERCHANGEABLE
Fuse,cartridge
Us Army Aviation and Missile Command
5920-00-131-98738170460 INTERCHANGEABLE
Fuse,cartridge
Us Army Aviation and Missile Command
5920-00-142-7360N0N75 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-190-7292N0S150 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-284-9449FRN5-6 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-01-232-1453 INTERCHANGEABLE
Fuse,cartridge
5920-01-257-1115 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
WF791A Federal Specifications Promulgated by General Services Administration Washington DC (USA)
N0N1 1-2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-131-9822INTERCHANGEABLE
FUSE,CARTRIDGE
416-6507-793147A
5920-00-131-9865INTERCHANGEABLE
FUSE,CARTRIDGE
9111949
5920-00-131-9873INTERCHANGEABLE
FUSE,CARTRIDGE
8170460
5920-00-142-7360INTERCHANGEABLE
FUSE,CARTRIDGE
N0N75
5920-00-190-7292INTERCHANGEABLE
FUSE,CARTRIDGE
N0S150
5920-00-284-9449INTERCHANGEABLE
FUSE,CARTRIDGE
FRN5-6
5920-01-232-1453INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-257-1115INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-142-7434?

NSN 5920-00-142-7434 is a Fuse,cartridge, 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 5920-00-142-7434?

NSN 5920-00-142-7434 has 2 cross-referenced part numbers: WF791A (Federal Specifications Promulgated by General Services Administration Washington DC), N0N1 1-2 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-00-142-7434?

There are 8 known substitutes for 5920-00-142-7434: 5920-00-131-9822, 5920-00-131-9865, 5920-00-131-9873 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF791A?

Key specifications for WF791A: Surface Treatment: NICKEL TERMINAL; 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.).; Overall Diameter: 0.562 INCHES NOMINAL IN; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-142-7434 still in active supply?

NSN 5920-00-142-7434 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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