Caterpillar · Electronic Components
3T0190
Switch, Thermostatic
Part Number3T0190
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-165-1823 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Temp Sensing Element TypeINTERNAL SENSOR
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Overall Length60.4 MILLIMETERS NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Mounting MethodTHREADED BUSHING
Nominal Thread Size0.750 INCHES SINGLE THREADED BUSHING
Thread Series DesignatorUNF SINGLE THREADED BUSHING
Media For Which DesignedGAS OR LIQUID
Terminal TypeSCREW
Contact Action StimulusINCREASE
Vendor Part Numbers051ACA190A-0026
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 3T0190 available?
We can source 3T0190 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 3T0190 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3T0190 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 3T0190?
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 3T0190?
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.