Electro Switch Corp. · Electronic Components
66561F1
Switch, Rotary
Part Number66561F1
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-552-1142 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Width1.312 INCHES NOMINAL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Overall Length0.750 INCHES NOMINAL
Overall Height0.688 INCHES NOMINAL
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Throw Quantity3 SINGLE SECTION REAR
Terminal TypeTAB, SOLDER LUG
Pole Quantity4 SINGLE SECTION FRONT
Vendor Part Numbers166561F1
Cancelled NSN5930-00-507-4005 (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 66561F1 available?
We can source 66561F1 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 66561F1 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 66561F1 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 66561F1?
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 66561F1?
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.