Electro Switch Corp. · Electronic Components
123903MG
Switch, Rotary
Part Number123903MG
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-347-1594 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Terminal TypeTAB W/SCREWTAB W/SCREW
Overall Height2.531 INCHES NOMINAL2.531 INCHES NOMINAL
Style DesignatorTAP, CIRCUIT SELECTORTAP, CIRCUIT SELECTOR
Overall Width2.531 INCHES NOMINAL2.531 INCHES NOMINAL
Individual Section Quantity33
Overall Length3.840 INCHES NOMINAL3.840 INCHES NOMINAL
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICALNONPILE-UP NONSYMMETRICAL
Features ProvidedACTUATOR KNOBACTUATOR KNOB
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 123903MG available?
We can source 123903MG 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 123903MG by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123903MG 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 123903MG?
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 123903MG?
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.