PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-1814/27Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-252-0614 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-252-0614 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-252-0614. Primary manufacturer part number: W-F-1814/27.
Features
  • Fuse,cartridge — FSC 5920
  • Material: COPPER OR COPPER ALLOY TERMINAL
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Body Length: 4.625 INCHES MINIMUM AND 4.813 INCHES MAXIMUM IN
  • Specification/standard Data: 81348-W-F-1814/60 GOVERNMENT SPECIFICATION
  • Continuous Current Rating in Amps: 400.000
  • Mounting Slot Width: 0.406 INCHES NOMINAL IN
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-252-0614, 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 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-252-0614
Primary Part NumberW-F-1814/27
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialCOPPER OR COPPER ALLOY TERMINAL
Circuit Over-Current Interruption TypeTIME DELAY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Body Length4.625 INCHES MINIMUM AND 4.813 INCHES MAXIMUM IN
Specification/standard Data81348-W-F-1814/60 GOVERNMENT SPECIFICATION
Continuous Current Rating in Amps400.000
Mounting Slot Width0.406 INCHES NOMINAL IN
Circuit Over-Current Interruption Delay Time in Seconds10.0 200 PCT OF CURRENT RATING
Terminal Thickness0.250 INCHES NOMINAL IN
Overall Diameter2.410 INCHES MAXIMUM IN
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating in Volts250.0 AC
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.).
MaterialFIBER CASE
Body StyleAXIAL TERMINAL TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5920-00-190-7293FRNR400 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-243-3714 INTERCHANGEABLE
Fuse,cartridge
5920-00-243-3756 INTERCHANGEABLE
Fuse,cartridge
5920-00-243-3757 INTERCHANGEABLE
Fuse,cartridge
5920-00-281-0168 INTERCHANGEABLE
Fuse,cartridge
5920-00-721-0721 INTERCHANGEABLE
Fuse,cartridge
5920-00-823-0688 INTERCHANGEABLE
Fuse,cartridge
5920-00-984-3137 INTERCHANGEABLE
Fuse,cartridge
5920-01-224-6161 INTERCHANGEABLE
Fuse,cartridge
5920-01-259-3083 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
W-F-1814/27 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
F21B250V400A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F21G400RB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
WF1814/60-D5400 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF1814/27-005 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W-F-1814/60 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MIL-F-15160/21 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-190-7293INTERCHANGEABLE
FUSE,CARTRIDGE
FRNR400
5920-00-243-3714INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-243-3756INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-243-3757INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-281-0168INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-721-0721INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-823-0688INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-984-3137INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-224-6161INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-259-3083INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-273-6692INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-252-0614?

NSN 5920-01-252-0614 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 5920-01-252-0614?

NSN 5920-01-252-0614 has 8 cross-referenced part numbers: W-F-1814/27 (Federal Specifications Promulgated by General Services Administration Washington DC), F21B250V400A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), F21G400RB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), WF1814/60-D5400 (Federal Specifications Promulgated by General Services Administration Washington DC), WF1814/27-005 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5920-01-252-0614?

There are 11 known substitutes for 5920-01-252-0614: 5920-00-190-7293, 5920-00-243-3714, 5920-00-243-3756 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-F-1814/27?

Key specifications for W-F-1814/27: Material: COPPER OR COPPER ALLOY TERMINAL; Circuit Over-Current Interruption Type: TIME DELAY; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Body Length: 4.625 INCHES MINIMUM AND 4.813 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-252-0614 still in active supply?

NSN 5920-01-252-0614 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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