● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Hamilton Sundstrand Corporation  · Electronic Components

21-1093

Switch, Thermostatic

Part Number21-1093
ManufacturerHamilton Sundstrand Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Terminal TypeWIRE LEAD
Body Height0.364 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Temp Sensing Element TypeINTERNAL SENSOR
Mounting Facility PatternTWO POSITION IN-LINE
Features ProvidedHERMETICALLY SEALED CASE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Action StimulusINCREASE
Unthreaded Mounting Hole Diameter0.114 INCHES MINIMUM AND 0.119 INCHES MAXIMUM
Body Diameter0.572 INCHES MAXIMUM
Media For Which DesignedGAS OR LIQUID
Vendor Part Numbers4344-182-3
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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

Frequently asked

Is 21-1093 available?
We can source 21-1093 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 21-1093 by Hamilton Sundstrand Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-1093 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 21-1093?
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 21-1093?
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.