MIL-SPEC · Electronic Components
WF1814/66-D5250
Fuse, Cartridge
Part NumberWF1814/66-D5250
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-235-4091 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
MaterialCERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
Continuous Current Rating In Amps250.000
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Body Length7.478 INCHES NOMINAL
Overall Length11.625 INCHES NOMINAL
Test Data Document81348-W-F-1814 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Overall Diameter2.910 INCHES MAXIMUM
Maximum Voltage Rating In Volts600.0 AC AND 600.0 DC
Terminal Thickness0.250 INCHES NOMINAL
Interruption Indicator MethodOPAQUE BODY
Circuit Over Current InterruptionTIME DELAY
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is WF1814/66-D5250 available?
We can source WF1814/66-D5250 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is WF1814/66-D5250 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WF1814/66-D5250 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like WF1814/66-D5250?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for WF1814/66-D5250?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.