PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF791Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-00-243-3714 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-243-3714 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-243-3714. Primary manufacturer part number: WF791.
Features
  • Fuse,cartridge — FSC 5920
  • 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.).
  • Specification/standard Data: 81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION
  • Continuous Current Rating in Amps: 300.000
  • Overall Diameter: 2.406 INCHES MAXIMUM IN
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Material: COPPER TERMINAL
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Applications requiring Copper Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-243-3714, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-243-3714
Primary Part NumberWF791
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
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.).
Specification/standard Data81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION
Continuous Current Rating in Amps300.000
Overall Diameter2.406 INCHES MAXIMUM IN
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
MaterialCOPPER TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Thickness0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Interruption Indicator MethodOPAQUE BODY
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Terminal Length1.875 INCHES MINIMUM IN
MaterialFIBER CASE
Body StyleKNIFE BLADE TYPE
Surface TreatmentNICKEL TERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5920-00-190-7293FRNR400 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-243-3756 INTERCHANGEABLE
Fuse,cartridge
5920-00-243-3757 INTERCHANGEABLE
Fuse,cartridge
5920-00-281-0168 INTERCHANGEABLE
Fuse,cartridge
5920-00-721-0721 INTERCHANGEABLE
Fuse,cartridge
5920-00-823-0688 INTERCHANGEABLE
Fuse,cartridge
5920-00-984-3137 INTERCHANGEABLE
Fuse,cartridge
5920-01-224-6161 INTERCHANGEABLE
Fuse,cartridge
5920-01-252-0614 INTERCHANGEABLE
Fuse,cartridge
5920-01-259-3083 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
F21A250V300A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
W-F-1814/60C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
X014-16-4 Enersys Inc. Div Hertner (USA)
MIL-PRF-15160/21 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-15160/21 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-190-7293INTERCHANGEABLE
FUSE,CARTRIDGE
FRNR400
5920-00-243-3756INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-243-3757INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-281-0168INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-721-0721INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-823-0688INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-984-3137INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-224-6161INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-252-0614INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-259-3083INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-243-3714?

NSN 5920-00-243-3714 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 5920-00-243-3714?

NSN 5920-00-243-3714 has 6 cross-referenced part numbers: WF791 (Federal Specifications Promulgated by General Services Administration Washington DC), F21A250V300A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), W-F-1814/60C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), X014-16-4 (Enersys Inc. Div Hertner), MIL-PRF-15160/21 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5920-00-243-3714?

There are 10 known substitutes for 5920-00-243-3714: 5920-00-190-7293, 5920-00-243-3756, 5920-00-243-3757 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF791?

Key specifications for WF791: 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.).; Specification/standard Data: 81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION; Continuous Current Rating in Amps: 300.000; Overall Diameter: 2.406 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-243-3714 still in active supply?

NSN 5920-00-243-3714 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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