Siemens-Allis Inc. Medium Motor-Generator Div · Electronic Components
21-202-371-501
Switch, Rotary
Part Number21-202-371-501
ManufacturerSiemens-Allis Inc. Medium Motor-Generator Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-941-6057 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternISOSCELES TRIANGLE SINGLE MOUNTING FACILITY
Longest Vertical Distance Between5.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY
Features ProvidedACTUATOR KNOB
Longest Horizontal Distance Betwee1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Shortest Horizontal Distance Betwe0.875 INCHES NOMINAL 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 21-202-371-501 available?
We can source 21-202-371-501 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 21-202-371-501 by Siemens-Allis Inc. Medium Motor-Generator Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-202-371-501 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 21-202-371-501?
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 21-202-371-501?
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.