Surface Combustion Inc. · Electronic Components
30C12
Switch, Thermostatic
Part Number30C12
ManufacturerSurface Combustion Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-539-6622 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Operating Temp Rating-273.1 CELSIUS MINIMUM AND 245.0 FAHRENHEIT MAXIMUM
Nominal Thread Size0.438 INCHES SINGLE THREADED BUSHING
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Stimulus Rating185.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Style DesignatorCYLINDRICAL W/FLANGE
Body Diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
Media For Which DesignedGAS OR LIQUID
Temp Sensing Element TypeINTERNAL SENSOR
Thread Quantity Per Inch20 SINGLE THREADED BUSHING
Thread Class3A SINGLE THREADED BUSHING
Vendor Part Numbers12411-12-185
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 30C12 available?
We can source 30C12 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 30C12 by Surface Combustion Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 30C12 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 30C12?
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 30C12?
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.