Lockheed Martin · Electronic Components
612857-3
Switch, Thermostatic
Part Number612857-3
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-636-3241 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Mounting MethodFLANGE
Contact Action StimulusINCREASE
Contact Stimulus Rating350.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 349.90 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Media For Which DesignedGAS OR LIQUID
Contact Voltage Rating In Volts230.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Terminal TypeTAB W/SCREW
Hazardous Locations EnvironmentalDUSTPROOF
Features ProvidedAUTOMATIC RESET
Vendor Part Numbers18422-0-350F
Cancelled NSN5930-00-272-1296 (cancelled)
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 612857-3 available?
We can source 612857-3 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 612857-3 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 612857-3 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 612857-3?
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 612857-3?
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.