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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir  · Electronic Components

SM-C-632921

Switch, Rotary

Part NumberSM-C-632921
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Precious Material And LocationCONTACTS SILVER AND ROTOR BLADE SILVER
Contact Load Current Rating450.0 MILLIAMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Precious MaterialSILVER
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
Shaft Length0.797 INCHES MINIMUM AND 0.829 INCHES MAXIMUM SINGLE ACTUATOR
Vendor Part Numbers36865-4MLR2
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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

Frequently asked

Is SM-C-632921 available?
We can source SM-C-632921 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-C-632921 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-C-632921 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-C-632921?
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-C-632921?
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.