Electro Switch Corp. · Electronic Components
124903LF
Switch, Rotary
Part Number124903LF
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-615-8899 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY
Shaft Diameter0.375 INCHES NOMINAL SINGLE ACTUATOR
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Overall Height4.125 INCHES NOMINAL
Contact Switching ActionMAKES BEFORE BREAKS, BREAKS BEFORE MAKES EACH SECTION FRONT
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Knob Manufacturer Code82121
Features ProvidedACTUATOR KNOB
Vendor Part NumbersC30498
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 124903LF available?
We can source 124903LF 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 124903LF by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 124903LF 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 124903LF?
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 124903LF?
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.