PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-1814/57Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-259-3086 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-259-3086 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-259-3086. Primary manufacturer part number: W-F-1814/57.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 35.000
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Circuit Over-Current Interruption Delay Time in Seconds: 10.0 500 PCT OF CURRENT RATING
  • Material: COPPER OR COPPER ALLOY TERMINAL
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Interruption Indicator Method: OPAQUE BODY
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-259-3086, 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 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-259-3086
Primary Part NumberW-F-1814/57
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Continuous Current Rating in Amps35.000
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Circuit Over-Current Interruption Delay Time in Seconds10.0 500 PCT OF CURRENT RATING
MaterialCOPPER OR COPPER ALLOY TERMINAL
Overall Diameter0.812 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeTIME DELAY
Interruption Indicator MethodOPAQUE BODY
Specification/standard Data81348-W-F-1814/57 GOVERNMENT SPECIFICATION
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
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 GLASS OR PLASTIC MELAMINE CASE
Body StyleREJECTION GROOVE TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5920-01-222-9456 INTERCHANGEABLE
Fuse,cartridge
5920-01-231-3273 INTERCHANGEABLE
Fuse,cartridge
5920-01-257-1115 INTERCHANGEABLE
Fuse,cartridge
5920-01-259-3094 INTERCHANGEABLE
Fuse,cartridge
5920-01-272-6234 INTERCHANGEABLE
Fuse,cartridge
5920-01-304-3720 INTERCHANGEABLE
Fuse,cartridge
5920-01-317-8618 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
W-F-1814/57 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
29632-DA Unipress Corporation (USA)
WF1814/24-001 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ECN-35 Federal Pacific Electric Co Economy Fuse Div (USA)
LEN-35 Federal Pacific Electric Co Economy Fuse Div (USA)
WF1814/57-D535 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W-F-1814/24 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-01-222-9456INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-231-3273INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-257-1115INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-259-3094INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-272-6234INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-304-3720INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-317-8618INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-259-3086?

NSN 5920-01-259-3086 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 5920-01-259-3086?

NSN 5920-01-259-3086 has 7 cross-referenced part numbers: W-F-1814/57 (Federal Specifications Promulgated by General Services Administration Washington DC), 29632-DA (Unipress Corporation), WF1814/24-001 (Federal Specifications Promulgated by General Services Administration Washington DC), ECN-35 (Federal Pacific Electric Co Economy Fuse Div), LEN-35 (Federal Pacific Electric Co Economy Fuse Div) and 2 more.

What NSN replaces 5920-01-259-3086?

There are 7 known substitutes for 5920-01-259-3086: 5920-01-222-9456, 5920-01-231-3273, 5920-01-257-1115 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-F-1814/57?

Key specifications for W-F-1814/57: Continuous Current Rating in Amps: 35.000; Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC; Circuit Over-Current Interruption Delay Time in Seconds: 10.0 500 PCT OF CURRENT RATING; Overall Length: 3.000 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-259-3086 still in active supply?

NSN 5920-01-259-3086 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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