Electroswitch · Electronic Components
121401A4-2
Switch, Rotary
Part Number121401A4-2
ManufacturerElectroswitch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-218-5374 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Hazardous Locations EnvironmentalSHOCK RESISTANT AND VIBRATION RESISTANT
Mounting Facility Circle Radius1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Individual Section Quantity2
Style DesignatorTAP, CIRCUIT SELECTOR
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AND 10.0 AMPERES LAMP LOAD DC AT SEA LEVEL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION PERIPHERY
Features ProvidedACTUATOR KNOB
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Vendor Part Numbers121401AA-2, 8442400
Cancelled NSN5930-01-202-4096 (cancelled)
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 121401A4-2 available?
We can source 121401A4-2 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 121401A4-2 by Electroswitch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121401A4-2 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 121401A4-2?
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 121401A4-2?
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.