Electro Switch Corp. · Electronic Components
121303
Switch, Rotary
Part Number121303
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-460-7899 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Width2.312 INCHES NOMINAL
Throw Quantity3 SINGLE SECTION IN-LINE
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Mounting MethodTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts480.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION IN-LINE
Pole Quantity2 SINGLE SECTION IN-LINE
Overall Length2.719 INCHES NOMINAL
Vendor Part Numbers504-5018
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 121303 available?
We can source 121303 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 121303 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121303 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 121303?
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 121303?
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.