MIL-SPEC · Electronic Components
M55629/3-380
Circuit Breaker
Part NumberM55629/3-380
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-286-9650 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Actuator FunctionTRIP-RESET
External Actuator Linkage ArrangemONE AND TWO LINKED
Mounting Facility Type And Quantit4 THREADED HOLE(S)
Boss Height0.099 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
Fragility FactorMODERATELY RUGGED
Distance Between Centerlines Of Mo1.629 INCHES MINIMUM AND 1.691 INCHES MAXIMUM
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Quantity Per Inch32
Center To Center Distance Between0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
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 M55629/3-380 available?
We can source M55629/3-380 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 M55629/3-380 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/3-380 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 M55629/3-380?
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 M55629/3-380?
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.