PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-1814/29Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-078-6578 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-078-6578 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-078-6578. Primary manufacturer part number: W-F-1814/29.
Features
  • Fuse,cartridge — FSC 5920
  • Interruption Indicator Method: OPAQUE BODY
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Maximum Voltage Rating in Volts: 600.0 AC AND 600.0 DC
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Material: COPPER TERMINAL
  • Circuit Over-Current Interruption Delay Time in Seconds: 120.0 200 PCT OF CURRENT RATING
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Applications requiring Copper Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-078-6578, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-078-6578
Primary Part NumberW-F-1814/29
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Interruption Indicator MethodOPAQUE BODY
Circuit Over-Current Interruption TypeTIME DELAY
Maximum Voltage Rating in Volts600.0 AC AND 600.0 DC
Overall Diameter0.812 INCHES NOMINAL IN
MaterialCOPPER TERMINAL
Circuit Over-Current Interruption Delay Time in Seconds120.0 200 PCT OF CURRENT RATING
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps5.000
Specification/standard Data81348-W-F-1814/29 GOVERNMENT SPECIFICATION
Test Data Document81348-W-F-1814 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.).
MaterialCERAMIC OR FIBER OR FIBERGLASS CASE
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-01-234-1324 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
W-F-1814/29 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF1814/29-024 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-01-234-1324INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-078-6578?

NSN 5920-01-078-6578 is a Fuse,cartridge, 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 5920-01-078-6578?

NSN 5920-01-078-6578 has 2 cross-referenced part numbers: W-F-1814/29 (Federal Specifications Promulgated by General Services Administration Washington DC), WF1814/29-024 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5920-01-078-6578?

There is 1 known substitute for 5920-01-078-6578: 5920-01-234-1324. Verify interchangeability with system specifications before substitution.

What are the specifications of W-F-1814/29?

Key specifications for W-F-1814/29: Interruption Indicator Method: OPAQUE BODY; Overall Length: 5.000 INCHES NOMINAL IN; Circuit Over-Current Interruption Type: TIME DELAY; Maximum Voltage Rating in Volts: 600.0 AC AND 600.0 DC. 13 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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