Kidde-Fenwal, LLC · Electronic Components
18021-0
Switch, Thermostatic
Part Number18021-0
ManufacturerKidde-Fenwal, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-296-3987 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Body Diameter0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING
Contact Adjustment Range-100.00 TO 350.00 ACTUATION POINT DEGREES FAHRENHEIT AND -100.00 TO 350.00 DEACTUATION POINT DEGREES FAHRENHEIT
Contact Voltage Rating In Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Terminal TypeWIRE LEAD
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Style DesignatorCYLINDRICAL W/FLANGE
Vendor Part Numbers18021
Cancelled NSN5930-00-134-5720 (cancelled)
Diameter Imperial0.63 "
Heated Length Imperial5 "
RohscompliantYES
Supply Voltage240 V
Hazardousfalse
RohsphthalatescompliantYES
Heated Medium-
Product Range18000 Series
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 18021-0 available?
We can source 18021-0 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 18021-0 by Kidde-Fenwal, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18021-0 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 18021-0?
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 18021-0?
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.