Caterpillar Inc. · Electronic Components
203-3222
Switch, Thermostatic
Part Number203-3222
ManufacturerCaterpillar Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-151-4769 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Overall Length2.213 INCHES NOMINAL
Overall Diameter0.689 INCHES NOMINAL
Contact Stimulus Rating225.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 196.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Thread Series DesignatorNPTF SINGLE THREADED BUSHING
Terminal TypeTAB W/SCREW
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Media For Which DesignedGAS OR LIQUID
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating In Volts32.0 DC AT SEA LEVEL SECOND VOLTAGE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Temp Sensing Element TypeINTERNAL SENSOR
Vendor Part Numbers7N9785, 202-3222, 5100-006-126-0433, 08-810571-220-585
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 203-3222 available?
We can source 203-3222 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 203-3222 by Caterpillar Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 203-3222 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 203-3222?
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 203-3222?
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.