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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-569552-3
Switch, Thermostatic
Part NumberSM-A-569552-3
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-168-9185 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Hazardous Locations EnvironmentalLEAKTIGHT
Features ProvidedHERMETICALLY SEALED CASE
Contact Action StimulusINCREASE
Body Length1.380 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION
Thread Length0.710 INCHES NOMINAL SINGLE THREADED BUSHING
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Body Diameter0.665 INCHES MAXIMUM
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING
Media For Which DesignedLIQUID
Terminal TypeCONNECTOR, RECEPTACLE
Vendor Part Numbers21550-3-5-1
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-A-569552-3 available?
We can source SM-A-569552-3 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-A-569552-3 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-A-569552-3 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-A-569552-3?
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-A-569552-3?
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.