PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-1814/57Fuse,cartridge

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5920-01-317-8618 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-317-8618 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-317-8618. Primary manufacturer part number: W-F-1814/57.
Features
  • Fuse,cartridge — FSC 5920
  • Test Data Document: 81348-W-F-1814 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • 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
  • Continuous Current Rating in Amps: 40.000
  • Overall Diameter: 0.804 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
  • Interruption Indicator Method: OPAQUE BODY
  • Material: COPPER OR COPPER ALLOY TERMINAL
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-317-8618, 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 4 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
NSN5920-01-317-8618
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
Test Data Document81348-W-F-1814 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
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
Continuous Current Rating in Amps40.000
Overall Diameter0.804 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
Interruption Indicator MethodOPAQUE BODY
MaterialCOPPER OR COPPER ALLOY TERMINAL
Circuit Over-Current Interruption TypeTIME DELAY
Specification/standard Data81348-W-F-1814/57 GOVERNMENT STANDARD
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
MaterialCERAMIC 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
5920-01-259-3086 INTERCHANGEABLE
Fuse,cartridge
5920-01-259-3094 INTERCHANGEABLE
Fuse,cartridge
5920-01-272-6234 INTERCHANGEABLE
Fuse,cartridge
5920-01-304-3720 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
W-F-1814/57 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF1814/57-D140 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LPN-RK40SP Cooper Bussmann, Llc Dba Cooper Industries (USA)
WF1814/57-D140 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
5920-01-259-3086INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-259-3094INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-272-6234INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-304-3720INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-317-8618?

NSN 5920-01-317-8618 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 5920-01-317-8618?

NSN 5920-01-317-8618 has 4 cross-referenced part numbers: W-F-1814/57 (Federal Specifications Promulgated by General Services Administration Washington DC), WF1814/57-D140 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LPN-RK40SP (Cooper Bussmann, Llc Dba Cooper Industries), WF1814/57-D140 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5920-01-317-8618?

There are 7 known substitutes for 5920-01-317-8618: 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: Test Data Document: 81348-W-F-1814 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).; 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; Continuous Current Rating in Amps: 40.000. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-317-8618 still in active supply?

NSN 5920-01-317-8618 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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