MIL-SPEC · Electronic Components
AA55472-22
Fuse, Plug — Fuses and Lightning Arresters
Part NumberAA55472-22
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-552-1554 (NSN)
Federal Item NameFUSE,PLUG
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Length1.250 INCHES NOMINAL
Interruption Indicator MethodVISIBLE ELEMENT
Test Data Document81348-W-F-791 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA I
Terminal Length0.687 INCHES MINIMUM AND 0.719 INCHES MAXIMUM
Circuit Over Current Interruption12.0 200 PCT OF CURRENT RATING
Overall Diameter1.250 INCHES NOMINAL
Continuous Current Rating In Amps5.000
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Body StyleS-BASE
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 AA55472-22 available?
We can source AA55472-22 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 AA55472-22 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AA55472-22 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 AA55472-22?
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 AA55472-22?
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.