Electro Switch Corp. · Electronic Components
121911LC
Switch, Rotary
Part Number121911LC
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-854-4646 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Length1.510 INCHES NOMINAL SINGLE ACTUATOR
Unthreaded Mounting Hole Diameter0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM SECOND MOUNTING FACILITY
Pole Quantity1 SEVENTH SECTION FRONT
Longest Horizontal Distance Betwee2.281 INCHES NOMINAL FIRST MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Knob Manufacturer Code82121
Overall Length6.875 INCHES NOMINAL
Thread Class2B FIRST MOUNTING FACILITY
Overall Width4.375 INCHES NOMINAL
Knob Manufacturer Part NumberA
Longest Vertical Distance Between2.281 INCHES NOMINAL 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 121911LC available?
We can source 121911LC 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 121911LC by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121911LC 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 121911LC?
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 121911LC?
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.