Power Designs · Electronic Components
STH2
Switch, Thermostatic
Part NumberSTH2
ManufacturerPower Designs
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-781-3435 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Longest Vertical Distance Between0.813 INCHES NOMINAL
Style DesignatorDISC W/FLANGE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Action StimulusDECREASE
Mounting Facility PatternTWO POSITION IN-LINE
Overall Width0.813 INCHES NOMINAL
Overall Length0.984 INCHES NOMINAL
Body Height0.349 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
Body Diameter0.578 INCHES NOMINAL
Mounting MethodBRACKET(S)
Vendor Part NumbersB64012, 2450-21-203
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 STH2 available?
We can source STH2 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 STH2 by Power Designs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STH2 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 STH2?
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 STH2?
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.