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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-185207
Circuit Breaker
Part NumberSM-B-185207
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-279-6762 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Height2.678 INCHES MINIMUM AND 2.698 INCHES MAXIMUM
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Maximum Interrupting Capacity Curr5000.0 DC SINGLE LOCATION
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Body Length5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM
Nominal Thread Size0.164 INCHES
Pole Quantity1
Distance Between Centerlines Of Mo4.349 INCHES MINIMUM AND 4.369 INCHES MAXIMUM
Arc Quenching MethodMAGNETIC BLOWOUT
Fragility FactorMODERATELY RUGGED
Boss Height0.208 INCHES MINIMUM AND 0.228 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 SM-B-185207 available?
We can source SM-B-185207 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 SM-B-185207 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-B-185207 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 SM-B-185207?
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 SM-B-185207?
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.