PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF791Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-00-243-3766 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-243-3766 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-243-3766. Primary manufacturer part number: WF791.
Features
  • Fuse,cartridge — FSC 5920
  • Specification/standard Data: 81349-MIL-F-15160/22 GOVERNMENT SPECIFICATION
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Continuous Current Rating in Amps: 600.000
  • Terminal Length: 2.250 INCHES MINIMUM IN
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Overall Diameter: 2.906 INCHES MAXIMUM IN
  • Terminal Thickness: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-243-3766, 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 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
NSN5920-00-243-3766
Primary Part NumberWF791
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Specification/standard Data81349-MIL-F-15160/22 GOVERNMENT SPECIFICATION
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Continuous Current Rating in Amps600.000
Terminal Length2.250 INCHES MINIMUM IN
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter2.906 INCHES MAXIMUM IN
Terminal Thickness0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Interruption Indicator MethodOPAQUE BODY
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
MaterialCOPPER TERMINAL
MaterialFIBER CASE
Surface TreatmentNICKEL TERMINAL
Body StyleKNIFE BLADE TYPE
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.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-057-0651 INTERCHANGEABLE
Fuse Link,electrical
5920-00-057-0652 INTERCHANGEABLE
Fuse Link,electrical
5920-00-057-06571115 INTERCHANGEABLE
Fuse Link,electrical
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-177-1978 INTERCHANGEABLE
Fuse,cartridge
5920-00-224-1579 INTERCHANGEABLE
Fuse Link,electrical
5920-00-224-1580 INTERCHANGEABLE
Fuse Link,electrical
5920-00-224-15811102 INTERCHANGEABLE
Fuse Link,electrical
General Electric Company
5920-00-224-1585 INTERCHANGEABLE
Fuse Link,electrical
5920-00-224-1587 INTERCHANGEABLE
Fuse Link,electrical
5920-00-224-1629 INTERCHANGEABLE
Fuse Link,electrical
Cross-Reference Index
Part NumberManufacturer
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF803SUPERSEDED Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MIL-PRF-15160/22 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F22A250V600A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-057-0651INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-057-0652INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-057-0657INTERCHANGEABLE
FUSE LINK,ELECTRICAL
1115
5920-00-177-1978INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-224-1579INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-224-1580INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-224-1581INTERCHANGEABLE
FUSE LINK,ELECTRICAL
1102
5920-00-224-1585INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-224-1587INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-224-1629INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-243-3764INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-243-5082INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-243-3766?

NSN 5920-00-243-3766 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 5920-00-243-3766?

NSN 5920-00-243-3766 has 4 cross-referenced part numbers: WF791 (Federal Specifications Promulgated by General Services Administration Washington DC), WF803SUPERSEDED (Federal Specifications Promulgated by General Services Administration Washington DC), MIL-PRF-15160/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), F22A250V600A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5920-00-243-3766?

There are 12 known substitutes for 5920-00-243-3766: 5920-00-057-0651, 5920-00-057-0652, 5920-00-057-0657 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF791?

Key specifications for WF791: Specification/standard Data: 81349-MIL-F-15160/22 GOVERNMENT SPECIFICATION; Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC; Continuous Current Rating in Amps: 600.000; Terminal Length: 2.250 INCHES MINIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-243-3766 still in active supply?

NSN 5920-00-243-3766 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.
PartsTable Design LLC · partstable.com