Electro Switch Corp. · Electronic Components
8643A
Switch, Rotary
Part Number8643A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-666-0156 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Terminal TypeTAB W/SCREW
Pole Quantity2 EACH SECTION FRONT
Longest Horizontal Distance Betwee1.281 INCHES NOMINAL SINGLE MOUNTING FACILITY
Knob Manufacturer Part Number9000S6202-73075
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Shaft Length1.000 INCHES NOMINAL SINGLE ACTUATOR
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Vendor Part Numbers531418, 9000S6202-73035
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 8643A available?
We can source 8643A 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 8643A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8643A 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 8643A?
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 8643A?
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.