Electro Switch Corp. · Electronic Components
7890-3100
Switch, Rotary
Part Number7890-3100
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-336-9961 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Precious MaterialSILVERSILVER
Style DesignatorCIRCULAR WAFER, BUSHING MOUNTCIRCULAR WAFER, BUSHING MOUNT
Overall Height2.312 INCHES NOMINAL2.312 INCHES NOMINAL
Individual Section Quantity33
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL AND NONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICALNONPILE-UP NONSYMMETRICAL
Precious Material And LocationCONTACT AND ROTOR SURFACES SILVERCONTACT AND ROTOR SURFACES SILVER
Overall Length3.874 INCHES NOMINAL3.874 INCHES NOMINAL
Overall Width1.968 INCHES NOMINAL1.968 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUGTAB, SOLDER LUG
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 7890-3100 available?
We can source 7890-3100 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 7890-3100 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7890-3100 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 7890-3100?
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 7890-3100?
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.