MIL-SPEC · Electronic Components
M55629C21MMMM
Circuit Breaker
Part NumberM55629C21MMMM
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-598-7114 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Body Width1.515 INCHES MAXIMUM
Body StyleMULTIPOLE-MULTIPLE ACTUATOR TYPE
Mounting Facility Type And Quantit1 THREADED BUSHING
Pole Quantity2
Mounting Surface To Terminal End D2.087 INCHES MAXIMUM
Center To Center Distance Between1.499 INCHES MINIMUM AND 1.561 INCHES MAXIMUM
Thread Quantity Per Inch32
Body Length1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM
Thread Series DesignatorUNF
ESD/EMICode A — ESD/EMI sensitive item
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 M55629C21MMMM available?
We can source M55629C21MMMM 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 M55629C21MMMM by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629C21MMMM 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 M55629C21MMMM?
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 M55629C21MMMM?
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.