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Northrop Grumman Systems Corporation  · Electronic Components

331C221H01

Switch, Thermostatic

Part Number331C221H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL SINGLE VOLTAGE
Thread Class3A SINGLE THREADED BUSHING
Width Across Flats1.000 INCHES NOMINAL
Mounting MethodTHREADED BUSHING
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Stimulus Rating185.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 184.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Thread Length0.719 INCHES NOMINAL SINGLE THREADED BUSHING
Media For Which DesignedGAS OR LIQUID
Contact Action StimulusINCREASE
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING
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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 331C221H01 available?
We can source 331C221H01 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 331C221H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 331C221H01 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 331C221H01?
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 331C221H01?
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.