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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMB113990
Switch, Rotary
Part NumberSMB113990
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-577-2522 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position1 SINGLE ACTUATOR
Pole Quantity2 SINGLE SECTION REAR
Precious Material And LocationCONTACTS SILVER
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft TypeROUND, PARALLEL FLATTED, THREADED HOLE SINGLE ACTUATOR
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Overall Diameter1.250 INCHES NOMINAL
Width Between Flats0.187 INCHES NOMINAL SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Switch Actuator Positioning Increm60.0 DEGREES SINGLE ACTUATOR
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 SMB113990 available?
We can source SMB113990 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 SMB113990 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 SMB113990 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 SMB113990?
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 SMB113990?
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.