Cardwell Condenser Corp. Lapointe-Admiral Div · Electronic Components
577B42-4
Switch, Thermostatic
Part Number577B42-4
ManufacturerCardwell Condenser Corp. Lapointe-Admiral Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-836-7428 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Overall Height0.594 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Style DesignatorDISC W/FLANGE
Contact Stimulus Rating158.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 138.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Action StimulusINCREASE
Body Height0.560 INCHES NOMINAL
Mounting Facility PatternTWO POSITION IN-LINE
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL SINGLE VOLTAGE
Features ProvidedHERMETICALLY SEALED CASE
Terminal TypeTAB, SOLDER LUG
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 577B42-4 available?
We can source 577B42-4 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 577B42-4 by Cardwell Condenser Corp. Lapointe-Admiral Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 577B42-4 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 577B42-4?
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 577B42-4?
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.