PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF791Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-00-243-3764 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-243-3764 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-243-3764. Primary manufacturer part number: WF791.
Features
  • Fuse,cartridge — FSC 5920
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Specification/standard Data: 81349-MIL-F-15160/22 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-MIL-F-15160 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.).
  • Interruption Indicator Method: OPAQUE BODY
  • Continuous Current Rating in Amps: 500.000
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Terminal Thickness: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Applications
  • Applications requiring Fiber Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-243-3764, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-243-3764
Primary Part NumberWF791
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Specification/standard Data81349-MIL-F-15160/22 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-F-15160 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.).
Interruption Indicator MethodOPAQUE BODY
Continuous Current Rating in Amps500.000
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Thickness0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Terminal Length2.250 INCHES MINIMUM IN
MaterialFIBER CASE
Surface TreatmentNICKEL TERMINAL
Body StyleKNIFE BLADE TYPE
MaterialCOPPER TERMINAL
Overall Diameter2.906 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5920-00-177-1978 INTERCHANGEABLE
Fuse,cartridge
5920-00-243-3766 INTERCHANGEABLE
Fuse,cartridge
5920-00-243-5082 INTERCHANGEABLE
Fuse,cartridge
5920-00-497-1135 INTERCHANGEABLE
Fuse,cartridge
5920-00-583-8674 INTERCHANGEABLE
Fuse,cartridge
5920-00-963-0140N0N500 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
Cross-Reference Index
Part NumberManufacturer
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
N0N-500 Schneider Electric Usa, Inc. (USA)
MIL-F-15160/22 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-15160/22 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F22A250V500A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-177-1978INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-243-3766INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-243-5082INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-497-1135INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-583-8674INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-963-0140INTERCHANGEABLE
FUSE,CARTRIDGE
N0N500

Frequently Asked Questions

What is NSN 5920-00-243-3764?

NSN 5920-00-243-3764 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 5920-00-243-3764?

NSN 5920-00-243-3764 has 5 cross-referenced part numbers: WF791 (Federal Specifications Promulgated by General Services Administration Washington DC), N0N-500 (Schneider Electric Usa, Inc.), MIL-F-15160/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-15160/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), F22A250V500A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5920-00-243-3764?

There are 6 known substitutes for 5920-00-243-3764: 5920-00-177-1978, 5920-00-243-3766, 5920-00-243-5082 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF791?

Key specifications for WF791: Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC; Specification/standard Data: 81349-MIL-F-15160/22 GOVERNMENT SPECIFICATION; Test Data Document: 81349-MIL-F-15160 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.).; Interruption Indicator Method: OPAQUE BODY. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-243-3764 still in active supply?

NSN 5920-00-243-3764 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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