PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF791/2-031Fuse,plug

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-00-538-4951 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-538-4951 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-538-4951. Primary manufacturer part number: WF791/2-031.
Features
  • Fuse,plug — FSC 5920
  • Terminal Length: 0.750 INCHES MAXIMUM IN
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Continuous Current Rating in Amps: 15.000
  • Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING
  • Material: CERAMIC OR GLASS OR PLASTIC CASE
Applications
  • Applications requiring Ceramic or Glass or Plastic Case construction
General Description

The Fuse,plug, cataloged under National Stock Number 5920-00-538-4951, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-538-4951
Primary Part NumberWF791/2-031
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Terminal Length0.750 INCHES MAXIMUM IN
Circuit Over-Current Interruption TypeTIME DELAY
Continuous Current Rating in Amps15.000
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption Delay Time in Seconds12.0 200 PCT OF CURRENT RATING
MaterialCERAMIC OR GLASS OR PLASTIC CASE
Body StyleEDISON BASE
Overall Diameter1.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-144-2534 INTERCHANGEABLE
Fuse,plug
5920-00-224-4331 INTERCHANGEABLE
Fuse,plug
5920-00-240-4117T30 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-270-5136 INTERCHANGEABLE
Fuse,plug
5920-00-296-0482 INTERCHANGEABLE
Fuse,plug
5920-00-356-2197 INTERCHANGEABLE
Fuse,plug
5920-00-636-3052 INTERCHANGEABLE
Fuse,plug
5920-00-683-5515 INTERCHANGEABLE
Fuse,plug
5920-00-687-0944 INTERCHANGEABLE
Fuse,plug
5920-00-688-4084 INTERCHANGEABLE
Fuse,plug
Cross-Reference Index
Part NumberManufacturer
WF791/2-031 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA55471 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
TL15 Cooper Bussmann, Llc Dba Cooper Industries (USA)
F14B125V15A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
W-F-791/2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
TL15IAWUL198.5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
670-15IAWUL198.5 Cooper Wiring Devices Inc. (USA)
670-15-B0X Cooper Wiring Devices Inc. (USA)
TL15 Mjo Industries, Inc. Dba Hughes-Peters Div Hughes Peters (USA)
AA55471-01 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-144-2534INTERCHANGEABLE
FUSE,PLUG
5920-00-224-4331INTERCHANGEABLE
FUSE,PLUG
5920-00-240-4117INTERCHANGEABLE
FUSE,PLUG
T30
5920-00-270-5136INTERCHANGEABLE
FUSE,PLUG
5920-00-296-0482INTERCHANGEABLE
FUSE,PLUG
5920-00-356-2197INTERCHANGEABLE
FUSE,PLUG
5920-00-636-3052INTERCHANGEABLE
FUSE,PLUG
5920-00-683-5515INTERCHANGEABLE
FUSE,PLUG
5920-00-687-0944INTERCHANGEABLE
FUSE,PLUG
5920-00-688-4084INTERCHANGEABLE
FUSE,PLUG
5920-00-729-3722INTERCHANGEABLE
FUSE,PLUG
5920-00-843-2285INTERCHANGEABLE
FUSE,PLUG

Frequently Asked Questions

What is NSN 5920-00-538-4951?

NSN 5920-00-538-4951 is a Fuse,plug, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-538-4951?

NSN 5920-00-538-4951 has 10 cross-referenced part numbers: WF791/2-031 (Federal Specifications Promulgated by General Services Administration Washington DC), AA55471 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), TL15 (Cooper Bussmann, Llc Dba Cooper Industries), F14B125V15A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), W-F-791/2 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5920-00-538-4951?

There are 12 known substitutes for 5920-00-538-4951: 5920-00-144-2534, 5920-00-224-4331, 5920-00-240-4117 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF791/2-031?

Key specifications for WF791/2-031: Terminal Length: 0.750 INCHES MAXIMUM IN; Circuit Over-Current Interruption Type: TIME DELAY; Continuous Current Rating in Amps: 15.000; Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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