PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF1814/56-D515Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-275-7260 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-275-7260 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-275-7260. Primary manufacturer part number: WF1814/56-D515.
Features
  • Fuse,cartridge — FSC 5920
  • Material: CERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
  • 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.).
  • Maximum Voltage Rating in Volts: 250.0 AC
  • Overall Diameter: 0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
  • Circuit Over-Current Interruption Delay Time in Seconds: 10.0 500 PCT OF CURRENT RATING
  • Continuous Current Rating in Amps: 15.000
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Applications requiring Ceramic or Fiber or Glass or Plastic Melamine Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-275-7260, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-275-7260
Primary Part NumberWF1814/56-D515
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
MaterialCERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
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.).
Maximum Voltage Rating in Volts250.0 AC
Overall Diameter0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
Circuit Over-Current Interruption Delay Time in Seconds10.0 500 PCT OF CURRENT RATING
Continuous Current Rating in Amps15.000
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over-Current Interruption TypeTIME DELAY
Specification/standard Data81348-W-F-1814/56 GOVERNMENT SPECIFICATION
Interruption Indicator MethodOPAQUE BODY
MaterialCOPPER OR COPPER ALLOY TERMINAL
Body StyleREJECTION GROOVE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-00-548-9321FRNR1 1/2 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-825-6458FRN15 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
Cross-Reference Index
Part NumberManufacturer
WF1814/56-D515 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FRN15 Klockner-Moeller Corp (USA)
W-F-1814/56 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-548-9321INTERCHANGEABLE
FUSE,CARTRIDGE
FRNR1 1/2
5920-00-825-6458INTERCHANGEABLE
FUSE,CARTRIDGE
FRN15

Frequently Asked Questions

What is NSN 5920-01-275-7260?

NSN 5920-01-275-7260 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 5920-01-275-7260?

NSN 5920-01-275-7260 has 3 cross-referenced part numbers: WF1814/56-D515 (Federal Specifications Promulgated by General Services Administration Washington DC), FRN15 (Klockner-Moeller Corp), W-F-1814/56 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5920-01-275-7260?

There are 2 known substitutes for 5920-01-275-7260: 5920-00-548-9321, 5920-00-825-6458. Verify interchangeability with system specifications before substitution.

What are the specifications of WF1814/56-D515?

Key specifications for WF1814/56-D515: Material: CERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE; 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.).; Maximum Voltage Rating in Volts: 250.0 AC; Overall Diameter: 0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN. 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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