Illinois Tool Works · Electronic Components
78-31000-40421
Switch, Sensitive
Part Number78-31000-40421
ManufacturerIllinois Tool Works
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-081-0013 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Body StyleHOLE MOUNTED
Overall Height0.810 INCHES NOMINAL
Maximum Voltage Rating In Volts250.0 AC AND 28.0 DC
Contact Load Current Rating At Max8.000 AMPERES RESISTIVE DC AND 5.000 AMPERES MOTOR DC AND 7.000 AMPERES RESISTIVE AC
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, DOUBLE BREAK/DOUBLE MAKE, PERMANENT JUMPER, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Terminal Type And Quantity4 TAB, SOLDER LUG
Actuator Movement0.035 PRETRAVEL INCHES MAXIMUM AND 0.006 OVERTRAVEL INCHES MINIMUM AND 0.015 DIFFERENTIAL INCHES NOMINAL
Switch Actuating Force5.0 OUNCES NOMINAL
Switch Release Force1.5 OUNCES MINIMUM
Overall Length0.525 INCHES MAXIMUM
Actuator Roller Width0.125 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 78-31000-40421 available?
We can source 78-31000-40421 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 78-31000-40421 by Illinois Tool Works obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 78-31000-40421 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 78-31000-40421?
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 78-31000-40421?
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.