Electro Switch Corp. · Electronic Components
123203A
Switch, Rotary
Part Number123203A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-034-5112 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Knob Special MarkingsARROW SIGN
Overall Width2.781 INCHES NOMINAL
Overall Height2.781 INCHES NOMINAL
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Overall Length4.875 INCHES NOMINAL
Thread Quantity Per Inch20 SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Knob Manufacturer Code82121
Cancelled NSN5930-00-967-4486 (cancelled)
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 123203A available?
We can source 123203A 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 123203A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123203A 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 123203A?
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 123203A?
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.