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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-743215-2
Switch, Rotary
Part NumberSM-A-743215-2
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-146-0402 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionMAKES BEFORE BREAKS THIRD SECTION REAR
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
First Flat Length4.000 INCHES MINIMUM AND 0.447 INCHES MAXIMUM SINGLE ACTUATOR
Pole Quantity1 EACH SECTION REAR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Individual Section Quantity3
Shaft Diameter0.247 INCHES NOMINAL SINGLE ACTUATOR
Shaft Flat Slot Angular Location90.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Overall Length2.900 INCHES NOMINAL
Terminal TypeSCREW
Vendor Part Numbers32903LT
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-743215-2 available?
We can source SM-A-743215-2 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-743215-2 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-743215-2 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-743215-2?
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-743215-2?
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.