Electro Switch Corp. · Electronic Components
121918LE
Switch, Rotary
Part Number121918LE
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-317-5078 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Individual Section Quantity22
Nominal Thread Size0.250 INCHES FIRST MOUNTING FACILITY
Mounting Facility PatternFOUR POSITION CIRCULAR FIRST MOUNTING FACILITY
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Features ProvidedACTUATOR KNOB AND DUMMY SECTION
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Mounting Facility Circle Radius1.610 INCHES NOMINAL FIRST MOUNTING FACILITY
Thread Class2B FIRST 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 121918LE available?
We can source 121918LE 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 121918LE by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121918LE 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 121918LE?
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 121918LE?
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.