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PartsTable / COMPONENT / WF1814/57-D540
WF1814/57-D540 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The WF1814/57-D540 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-272-6234, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
WF1814/57-D540
NSN: 5920-01-272-6234
FSC: 5920
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberWF1814/57-D540
NSN5920-01-272-6234
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WF1814/57-D540 TITLE COMPONENT PN WF1814/57-D540 MFR WF1814/57-D540
KEY FEATURES
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
CONTINUOUS CURRENT RATING IN AMPS: 40.000
•
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC
•
CIRCUIT OVER-CURRENT INTERRUPTION DELAY TIME IN SECONDS: 10.0 500 PCT OF CURRENT RATING
•
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.).
•
OVERALL DIAMETER: 0.812 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81348-W-F-1814/57 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
CONTINUOUS CURRENT RATING IN AMPS40.000
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC
OVERALL LENGTH3.000 INCHES NOMINAL IN
CIRCUIT OVER-CURRENT INTERRUPTION DELAY TIME IN SECONDS10.0 500 PCT OF CURRENT RATING
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.).
OVERALL DIAMETER0.812 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81348-W-F-1814/57 GOVERNMENT SPECIFICATION
INTERRUPTION INDICATOR METHODOPAQUE BODY
CIRCUIT OVER-CURRENT INTERRUPTION TYPETIME DELAY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
WF1814/57-D160Interchangeable
interchangeable cross-reference
interchangeable
W-F-1814/57Interchangeable
interchangeable cross-reference
interchangeable
WF1814/57-F140Interchangeable
interchangeable cross-reference
interchangeable
WF1814/57-D560Interchangeable
interchangeable cross-reference
interchangeable
W-F-1726/2-010Interchangeable
interchangeable cross-reference
interchangeable
WF791AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WF1814/57-D540?
WF1814/57-D540 is a WF1814/57-D540.
What parts can replace WF1814/57-D540?
There are 14 known substitutes for WF1814/57-D540: WF1814/57-D160, W-F-1814/57, WF1814/57-F140 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WF1814/57-D540?
WF1814/57-D540 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-272-6234. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026