MIL-SPEC · Electronic Components
FM04A125V5A
Fuse, Cartridge
Part NumberFM04A125V5A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-221-8371 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Continuous Current Rating In Amps5.000
Interruption Indicator MethodOPAQUE BODY
Overall Length0.251 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
Terminal Diameter0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Overall Diameter0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
Precious Material And LocationCONTACT SURFACES SILVER
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Length1.440 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
MaterialCOPPER TERMINAL
Cancelled NSN5920-01-257-8164 (cancelled)
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 FM04A125V5A available?
We can source FM04A125V5A 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 FM04A125V5A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FM04A125V5A 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 FM04A125V5A?
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 FM04A125V5A?
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.