Electro Switch Corp. · Electronic Components
123903MA
Switch, Rotary
Part Number123903MA
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-272-3464 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Features ProvidedACTUATOR KNOB AND SPRING RETURN
Contact Voltage Rating In Volts500.0 AC AT SEA LEVEL
Switch Actuator Indexing Position2 SINGLE ACTUATOR
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Actuator Positioning Increm180.0 DEGREES SINGLE ACTUATOR
Individual Section Quantity3
Terminal TypeTAB W/SCREW
Overall Height4.060 INCHES MAXIMUM
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
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 123903MA available?
We can source 123903MA 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 123903MA by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123903MA 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 123903MA?
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 123903MA?
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.