Electro Switch Corp. · Electronic Components
203993A1
Switch, Rotary
Part Number203993A1
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-864-9118 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY
Throw Quantity11 EACH SECTION REAR
Pole Quantity1 EACH SECTION FRONT
Individual Section Quantity2
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Flat Height0.109 INCHES NOMINAL SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Overall Length1.795 INCHES NOMINAL
Overall Height1.000 INCHES NOMINAL
Overall Width0.937 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
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 203993A1 available?
We can source 203993A1 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 203993A1 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 203993A1 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 203993A1?
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 203993A1?
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.