Electro Switch Corp. · Electronic Components
88666A
Switch, Rotary
Part Number88666A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-647-1784 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Throw Quantity5 EACH SECTION REAR
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Mounting Facility Circle Radius1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height3.000 INCHES NOMINAL
Switch Actuator Indexing Position5 SINGLE ACTUATOR
Overall Length4.312 INCHES NOMINAL
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Terminal TypeSCREW
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Vendor Part Numbers721899-275
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 88666A available?
We can source 88666A 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 88666A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 88666A 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 88666A?
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 88666A?
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.