Way Wolff Associates Inc. · Electronic Components
M554
Switch, Thermostatic
Part NumberM554
ManufacturerWay Wolff Associates Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-259-8816 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Operating Temp Rating50.0 FAHRENHEIT MINIMUM AND 240.0 FAHRENHEIT MAXIMUM
Contact Load Current Rating1.2 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Mounting MethodTHREADED BUSHING
Capillary Tube Length2.750 INCHES NOMINAL
Contact Voltage Rating In Volts230.0 DC AT SEA LEVEL FOURTH VOLTAGE
Nominal Thread Size0.750 INCHES SINGLE THREADED BUSHING
Overall Length5.375 INCHES NOMINAL
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Terminal TypeTAB W/SCREW
Thread Length1.812 INCHES NOMINAL SINGLE THREADED BUSHING
Overall Height1.812 INCHES NOMINAL
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 M554 available?
We can source M554 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 M554 by Way Wolff Associates Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M554 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 M554?
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 M554?
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.