Electro Switch Corp. · Electronic Components
S1645A
Switch, Rotary
Part NumberS1645A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-201-2522 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Knob Manufacturer Code49671
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Overall Height1.750 INCHES NOMINAL
Features ProvidedACTUATOR KNOB
Overall Length2.500 INCHES NOMINAL
Mounting Facility Circle Radius1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Terminal TypeTHREADED STUD
Knob Manufacturer Part NumberC744362
Pole Quantity1 EACH SECTION REAR
Switch Actuator Indexing Position2 SINGLE ACTUATOR
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 S1645A available?
We can source S1645A 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 S1645A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S1645A 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 S1645A?
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 S1645A?
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.