Electro Switch Corp. · Electronic Components
121906MU
Switch, Rotary
Part Number121906MU
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-312-1151 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Overall Height2.500 INCHES MAXIMUM
Contact Voltage Rating In Volts120.0 DC AT SEA LEVEL
Individual Section Quantity8
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Mounting Facility Circle Radius1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AND 10.0 AMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Features ProvidedACTUATOR KNOB
Switch Actuator Stop Device TypeFIXED-ADJUSTABLE STOPS SINGLE ACTUATOR
Thread Quantity Per Inch24 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 121906MU available?
We can source 121906MU 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 121906MU by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121906MU 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 121906MU?
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 121906MU?
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.