Illinois Tool Works Inc. · Electronic Components
SW421
Switch, Slide
Part NumberSW421
ManufacturerIllinois Tool Works Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-468-4085 (NSN)
Federal Item NameSWITCH,SLIDE
Federal Supply Class5930 — Switches
Actuator Height0.344 INCHES NOMINAL
Terminal Type And Quantity4 TAB, SOLDER LUG
ColorBLACK SINGLE ACTUATOR
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Nonpile Up Contact Arrangement2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL
Body Width0.531 INCHES NOMINAL
Actuator Position Action RelationsLEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINED
Center To Center Distance Between1.125 INCHES NOMINAL
Actuator Length0.281 INCHES NOMINAL
Body Length0.875 INCHES NOMINAL
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 SW421 available?
We can source SW421 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 SW421 by Illinois Tool Works Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SW421 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 SW421?
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 SW421?
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.