Sensata Technologies · Electronic Components
21391
Switch, Thermostatic
Part Number21391
ManufacturerSensata Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-844-8470 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Style DesignatorPLUG
Media For Which DesignedGAS OR LIQUID
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Thread Series DesignatorUN SINGLE THREADED BUSHING
Terminal TypeCONNECTOR, RECEPTACLE
Contact Voltage Rating In Volts30.0 DC AT SEA LEVEL FOURTH VOLTAGE
Width Across Flats1.375 INCHES NOMINAL
Overall Length1.800 INCHES NOMINAL
Precious Material And LocationCONTACT SURFACES GOLD
Thread Quantity Per Inch12 SINGLE THREADED BUSHING
Vendor Part Numbers117SCE242-1
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 21391 available?
We can source 21391 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 21391 by Sensata Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21391 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 21391?
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 21391?
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.