PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-1814/59Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-259-3087 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-259-3087 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-259-3087. Primary manufacturer part number: W-F-1814/59.
Features
  • Fuse,cartridge — FSC 5920
  • Material: CERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
  • Material: COPPER OR COPPER ALLOY TERMINAL
  • Mounting Slot Width: 0.281 INCHES NOMINAL IN
  • Continuous Current Rating in Amps: 125.000
  • Terminal Thickness: 0.183 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Test Data Document: 81348-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.).
Applications
  • Applications requiring Ceramic or Fiber or Glass or Plastic Melamine Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-259-3087, 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 15 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-259-3087
Primary Part NumberW-F-1814/59
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialCERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
MaterialCOPPER OR COPPER ALLOY TERMINAL
Mounting Slot Width0.281 INCHES NOMINAL IN
Continuous Current Rating in Amps125.000
Terminal Thickness0.183 INCHES NOMINAL IN
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
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.).
Body Length4.281 INCHES NOMINAL IN
Circuit Over-Current Interruption Delay Time in Seconds10.0 500 PCT OF CURRENT RATING
Interruption Indicator MethodOPAQUE BODY
Overall Diameter1.690 INCHES NOMINAL IN
Specification/standard Data81348-W-F-1814/59 GOVERNMENT SPECIFICATION
Circuit Over-Current Interruption TypeTIME DELAY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Body StyleAXIAL TERMINAL TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5920-01-200-0683 INTERCHANGEABLE
Fuse,cartridge
5920-01-253-8178 INTERCHANGEABLE
Fuse,cartridge
5920-01-258-2127 INTERCHANGEABLE
Fuse,cartridge
5920-01-305-7569 INTERCHANGEABLE
Fuse,cartridge
5920-01-346-0536 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
W-F-1814/59 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
REN125 Cooper Bussmann, Llc Dba Cooper Industries (USA)
W-F-1726/16 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF1726/16-002 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
HY10MJ125 Carrier Corp (USA)
WF1814/59-D5125 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-01-200-0683INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-253-8178INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-258-2127INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-305-7569INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-346-0536INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-259-3087?

NSN 5920-01-259-3087 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 5920-01-259-3087?

NSN 5920-01-259-3087 has 6 cross-referenced part numbers: W-F-1814/59 (Federal Specifications Promulgated by General Services Administration Washington DC), REN125 (Cooper Bussmann, Llc Dba Cooper Industries), W-F-1726/16 (Federal Specifications Promulgated by General Services Administration Washington DC), WF1726/16-002 (Federal Specifications Promulgated by General Services Administration Washington DC), HY10MJ125 (Carrier Corp) and 1 more.

What NSN replaces 5920-01-259-3087?

There are 5 known substitutes for 5920-01-259-3087: 5920-01-200-0683, 5920-01-253-8178, 5920-01-258-2127 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-F-1814/59?

Key specifications for W-F-1814/59: Material: CERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE; Material: COPPER OR COPPER ALLOY TERMINAL; Mounting Slot Width: 0.281 INCHES NOMINAL IN; Continuous Current Rating in Amps: 125.000. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-259-3087 still in active supply?

NSN 5920-01-259-3087 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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