MIL-SPEC · Electronic Components
M55629/4-109
Circuit Breaker
Part NumberM55629/4-109
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-211-1876 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Switch Current Rating And Type In10.0 AC AND 2.0 DC
Switch Terminal TypeTAB, SOLDER LUG
Thread Quantity Per Inch32
Pole Quantity2
Arc Quenching MethodMAGNETIC BLOWOUT
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW
Distance Between Centerlines Of Mo2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM
Special Handling FeatureMAGNETIC
Cancelled NSN5925-00-445-6640 (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 M55629/4-109 available?
We can source M55629/4-109 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 M55629/4-109 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/4-109 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 M55629/4-109?
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 M55629/4-109?
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.