MIL-SPEC · Electronic Components
FM01A125V1/4A
Fuse, Cartridge
Part NumberFM01A125V1/4A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-901-9940 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Continuous Current Rating In Amps0.250
Interruption Indicator MethodVISIBLE ELEMENT
Center To Center Distance Between0.142 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Test Data Document81349-MIL-F-23419 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Terminal Length0.150 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
MaterialCERAMIC CASE
Overall Length0.380 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
Body StylePLUG-IN TYPE
Cancelled NSN5920-00-480-4088 (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 FM01A125V1/4A available?
We can source FM01A125V1/4A 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 FM01A125V1/4A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FM01A125V1/4A 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 FM01A125V1/4A?
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 FM01A125V1/4A?
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.