Electro Switch Corp. · Electronic Components
123902LH
Switch, Rotary
Part Number123902LH
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-642-9042 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Features ProvidedACTUATOR KNOB
Contact Voltage Rating In Volts500.0 AC AT SEA LEVEL
Terminal TypeTAB W/SCREW
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Mounting MethodBASE SINGLE MOUNTING FACILITY
Shaft Length1.125 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION FRONT
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Individual Section Quantity4
Knob Manufacturer Code10001
Vendor Part Numbers3778-218REVAPC29SWITCH, 575-4810-1444145REVAPC29SWITCH
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 123902LH available?
We can source 123902LH 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 123902LH by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123902LH 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 123902LH?
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 123902LH?
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.