Honeywell Intl Inc. Defense Avionics Systems Former Test Systems Div · Electronic Components
2132978-1
Switch, Thermostatic
Part Number2132978-1
ManufacturerHoneywell Intl Inc. Defense Avionics Systems Former Test Systems Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-599-6126 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Media For Which DesignedGAS OR LIQUID
Contact Stimulus Rating82.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 77.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Frequency In Hertz60.0 FIRST VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating In Volts30.0 DC AT SEA LEVEL SECOND VOLTAGE
Terminal TypeTAB, SOLDER LUG
Body Diameter0.660 INCHES MAXIMUM
Style DesignatorDISC
Overall Length0.971 INCHES MAXIMUM
Vendor Part NumbersM221F082030521
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 2132978-1 available?
We can source 2132978-1 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 2132978-1 by Honeywell Intl Inc. Defense Avionics Systems Former Test Systems Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2132978-1 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 2132978-1?
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 2132978-1?
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.