Cts Corp. Electromechanical Div · Electronic Components
212-203A
Switch, Rotary
Part Number212-203A
ManufacturerCts Corp. Electromechanical Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-034-3968 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Thread Class2A SINGLE MOUNTING FACILITY
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Overall Height1.312 INCHES MAXIMUM
Throw Quantity3 SINGLE SECTION REAR
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
Shaft Length0.375 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part NumbersESW4111A
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 212-203A available?
We can source 212-203A 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 212-203A by Cts Corp. Electromechanical Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 212-203A 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 212-203A?
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 212-203A?
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.