MIL-SPEC · Electronic Components
F37B125V30A
Fuse, Cartridge
Part NumberF37B125V30A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-900-8839 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Body StyleAXIAL TERMINAL TYPE
Body Length1.844 INCHES MINIMUM AND 1.906 INCHES MAXIMUM
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Overall Diameter0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM
Overall Length3.000 INCHES NOMINAL
Interruption Indicator MethodOPAQUE BODY
Mounting Slot Width0.235 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over Current InterruptionTIME DELAY
Continuous Current Rating In Amps30.000
MaterialFIBER CASE
Cancelled NSN5920-01-223-6290 (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 F37B125V30A available?
We can source F37B125V30A 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 F37B125V30A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If F37B125V30A 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 F37B125V30A?
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 F37B125V30A?
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.