Master Control Systems Inc. · Electronic Components
720489B-24
Switch, Thermostatic
Part Number720489B-24
ManufacturerMaster Control Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-008-0508 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Overall Length3.750 INCHES NOMINAL
Temp Sensing Element TypeINTERNAL SENSOR
Overall Height1.875 INCHES NOMINAL
Contact Action StimulusINCREASE
Terminal TypeELECTRON TUBE BASE
Style DesignatorRECTANGULAR, OPEN FRAME
Mounting MethodPLUG-IN TERMINAL(S)
Body Length3.000 INCHES NOMINAL
Media For Which DesignedGAS OR LIQUID
Contact Voltage Rating In Volts24.0 DC AT SEA LEVEL SINGLE VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
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 720489B-24 available?
We can source 720489B-24 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 720489B-24 by Master Control Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 720489B-24 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 720489B-24?
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 720489B-24?
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.