MIL-SPEC · Electronic Components
F03B125V4AS
Fuse, Cartridge
Part NumberF03B125V4AS
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-021-5198 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Test Data Document81349-MIL-F-15160 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Surface TreatmentSILVER TERMINAL
MaterialCOPPER TERMINAL
Circuit Over Current Interruption12.0 200 PCT OF CURRENT RATING
Precious MaterialSILVER
Overall Diameter0.250 INCHES NOMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Length1.250 INCHES NOMINAL
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Precious Material And LocationTERMINAL SURFACES SILVER
Interruption Indicator MethodOPAQUE BODY
Cancelled NSN5920-00-928-4883 (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 F03B125V4AS available?
We can source F03B125V4AS 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 F03B125V4AS by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If F03B125V4AS 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 F03B125V4AS?
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 F03B125V4AS?
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.