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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMC749979
Switch, Rotary
Part NumberSMC749979
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-107-4351 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Load Current Rating100.0 MILLIAMPERES RESISTIVE LOAD AND 20.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Shaft Flat Slot Angular Location150.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Operating Temp Range-65.0 TO 85.0 CELSIUS
Terminal TypeTAB, SOLDER LUG
Individual Section Quantity2
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR
Overall Width1.000 INCHES NOMINAL
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Vendor Part Numbers749979
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 SMC749979 available?
We can source SMC749979 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 SMC749979 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 SMC749979 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 SMC749979?
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 SMC749979?
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.