Sensata Technologies, Inc. · Electronic Components
21490-1
Switch, Thermostatic
Part Number21490-1
ManufacturerSensata Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-055-9232 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact Action StimulusINCREASE
Media For Which DesignedGAS
Body Length1.745 INCHES NOMINAL
Contact Voltage Rating In Volts30.0 DC AT SEA LEVEL FOURTH VOLTAGE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Body Diameter0.660 INCHES NOMINAL
Frequency In Hertz60.0 THIRD VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Thread Class2A SINGLE THREADED BUSHING
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Vendor Part Numbers10105980-1
ESD/EMICode A — ESD/EMI sensitive item
MaterialALUMINUM ALLOY
Overall Diameter1.808 INCHES MINIMUM AND 1.812 INCHES MAXIMUM
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
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 21490-1 available?
We can source 21490-1 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 21490-1 by Sensata Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21490-1 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 21490-1?
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 21490-1?
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.