MIL-SPEC · Electronic Components
AA55496-021
Fuse, Cartridge
Part NumberAA55496-021
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-120-9088 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Precious MaterialSILVER
Continuous Current Rating In Amps400.000
Mounting Hole Diameter0.406 INCHES NOMINAL
Overall Diameter2.000 INCHES NOMINAL
Terminal Thickness0.250 INCHES NOMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Interruption Indicator MethodOPAQUE BODY
Center To Center Distance Between4.031 INCHES NOMINAL
Maximum Voltage Rating In Volts700.0 AC AND 700.0 DC
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Overall Length5.094 INCHES NOMINAL
Cancelled NSN5920-01-081-6694 (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 AA55496-021 available?
We can source AA55496-021 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 AA55496-021 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AA55496-021 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 AA55496-021?
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 AA55496-021?
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.