Illinois Tool Works Inc. · Electronic Components
S42EB9
Switch, Rotary
Part NumberS42EB9
ManufacturerIllinois Tool Works Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-359-4469 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Overall Diameter1.718 INCHES MAXIMUM
Mounting MethodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Nonturn Device TypeFLATTED BUSHING AT 3:00 OCLOCK
Thread Class2A SINGLE MOUNTING FACILITY
Overall Length2.783 INCHES NOMINAL
Hazardous Locations EnvironmentalEXPLOSION PROOF
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Vendor Part NumbersGS835HC4-2-9
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 S42EB9 available?
We can source S42EB9 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 S42EB9 by Illinois Tool Works Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S42EB9 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 S42EB9?
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 S42EB9?
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.