MIL-SPEC · Electronic Components
M55629/1-306
Circuit Breaker
Part NumberM55629/1-306
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-321-7178 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Boss Height0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
Thread Quantity Per Inch32
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Distance Between Centerlines Of Mo2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM
Pole Quantity1
Center To Center Distance Between1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM
Mounting Surface To Terminal End D2.611 INCHES NOMINAL
Storage TypeGENERAL PURPOSE WAREHOUSE
Fragility FactorMODERATELY RUGGED
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 M55629/1-306 available?
We can source M55629/1-306 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 M55629/1-306 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/1-306 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 M55629/1-306?
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 M55629/1-306?
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.