Cole Instrument · Electronic Components
3900-5225
Switch, Rotary
Part Number3900-5225
ManufacturerCole Instrument
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-428-4185 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Terminal TypeTAB, SOLDER LUG
Mounting MethodUNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Voltage Rating In Volts28.0 AC AT SEA LEVEL
Individual Section Quantity1
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Unthreaded Mounting Hole Diameter0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Overall Diameter0.687 INCHES NOMINAL
Contact Load Current Rating1.00 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Overall Length1.260 INCHES NOMINAL
Vendor Part Numbers165988-1
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 3900-5225 available?
We can source 3900-5225 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 3900-5225 by Cole Instrument obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3900-5225 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 3900-5225?
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 3900-5225?
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.