Kidde Technologies · Electronic Components
21110-0
Switch, Thermostatic
Part Number21110-0
ManufacturerKidde Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-155-9876 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Body Length3.281 INCHES NOMINAL
Contact Adjustment TypeEXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Contact Action StimulusINCREASE
Overall Diameter3.531 INCHES NOMINAL
Features ProvidedELECTRICAL ACCESS PORT AND TAMPER PROOF CAP
Temp Sensing Element TypeIMMERSION WELL
Contact Voltage Rating In Volts125.0 DC AT SEA LEVEL THIRD VOLTAGE
Media For Which DesignedGAS OR LIQUID
Style DesignatorCYLINDRICAL
Contact Adjustment Range+0.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT AND +0.00 TO 250.00 DEACTUATION POINT DEGREES FAHRENHEIT
Cancelled NSN5930-00-405-1401 (cancelled)
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 21110-0 available?
We can source 21110-0 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 21110-0 by Kidde Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21110-0 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 21110-0?
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 21110-0?
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.