● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Cole Instrument Corp.  · Electronic Components

4100-5081

Switch, Rotary

Part Number4100-5081
ManufacturerCole Instrument Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Length0.437 INCHES NOMINAL SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Shaft Diameter0.125 INCHES NOMINAL SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Overall Length3.180 INCHES MAXIMUM
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Overall Diameter0.800 INCHES MAXIMUM
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Vendor Part NumbersC20573-1, C20573
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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

Frequently asked

Is 4100-5081 available?
We can source 4100-5081 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 4100-5081 by Cole Instrument Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4100-5081 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 4100-5081?
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 4100-5081?
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.