Kidde Technologies · Electronic Components
18423-0-638
Switch, Thermostatic
Part Number18423-0-638
ManufacturerKidde Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-296-7196 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Mounting MethodFLANGE AND UNTHREADED HOLE(S)
Temp Sensing Element TypeEXPANDING SHELL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Overall Length4.562 INCHES NOMINAL
Contact AdjustabilityACTUATION POINT ADJUSTABLE, PRESET
Contact Stimulus Rating638.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Voltage Rating In Volts115.0 DC AT SEA LEVEL THIRD VOLTAGE
Style DesignatorRECTANGULAR
Contact Adjustment Range-100.00 TO 650.00 ACTUATION POINT DEGREES FAHRENHEIT
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE
Media For Which DesignedGAS OR LIQUID
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 18423-0-638 available?
We can source 18423-0-638 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 18423-0-638 by Kidde Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18423-0-638 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 18423-0-638?
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 18423-0-638?
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.