● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Electro Switch Corp.  · Electronic Components

P21A

Switch, Rotary

Part NumberP21A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Overall Width2.188 INCHES NOMINAL
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Overall Height2.500 INCHES NOMINAL
Overall Length3.500 INCHES NOMINAL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft TypeROUND SINGLE ACTUATOR
Shaft Length1.000 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 P21A available?
We can source P21A 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 P21A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P21A 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 P21A?
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 P21A?
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.