Electro Switch Corp. · Electronic Components
121104LU
Switch, Rotary
Part Number121104LU
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-009-7611 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Height2.500 INCHES NOMINAL
Overall Width2.500 INCHES NOMINAL
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Longest Vertical Distance Between1.641 INCHES NOMINAL SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
First Flat Length0.750 INCHES NOMINAL SINGLE ACTUATOR
Shaft Length1.125 INCHES NOMINAL SINGLE ACTUATOR
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Vendor Part Numbers400191PC31
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 121104LU available?
We can source 121104LU 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 121104LU by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121104LU 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 121104LU?
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 121104LU?
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.