MIL-SPEC · Electronic Components
M55629/1-409
Circuit Breaker
Part NumberM55629/1-409
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-332-5631 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Width0.730 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
Frequency In Hertz60.0 SINGLE LOCATION
Trip Delay Time In Seconds Per Rat3.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Center To Center Distance Between1.460 INCHES MINIMUM AND 1.760 INCHES MAXIMUM
Distance Between Centerlines Of Mo2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM
Boss Height0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
Pole Quantity1
Thread Quantity Per Inch32
Storage TypeGENERAL PURPOSE WAREHOUSE
Arc Quenching MethodMAGNETIC BLOWOUT
Mounting Facility Type And Quantit2 THREADED HOLE(S)
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 M55629/1-409 available?
We can source M55629/1-409 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 M55629/1-409 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/1-409 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 M55629/1-409?
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 M55629/1-409?
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.