Electro Switch Corp. · Electronic Components
121906MX
Switch, Rotary
Part Number121906MX
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-312-0569 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts120.0 DC AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AND 10.0 AMPERES INDUCTIVE LOAD AC AT SEA LEVEL
Terminal TypeTAB W/SCREW
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Features ProvidedACTUATOR KNOB
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
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 121906MX available?
We can source 121906MX 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 121906MX by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121906MX 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 121906MX?
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 121906MX?
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.