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Electro Switch Corp.  · Electronic Components

121305AA

Switch, Rotary

Part Number121305AA
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
First Flat Length0.438 INCHES NOMINAL SINGLE ACTUATOR
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Shaft Length0.875 INCHES NOMINAL SINGLE ACTUATOR
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts120.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
Features ProvidedACTUATOR KNOB
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR
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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 121305AA available?
We can source 121305AA 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 121305AA by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121305AA 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 121305AA?
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 121305AA?
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.