Barksdale · Electronic Components
MT1H-M251SA
Switch, Thermostatic
Part NumberMT1H-M251SA
ManufacturerBarksdale
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-025-9647 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Body Height3.812 INCHES NOMINAL
Bulb Diameter0.375 INCHES NOMINAL
Nominal Thread Size0.164 INCHES ALL THREADED HOLE
Contact Voltage Rating In Volts24.0 DC AT SEA LEVEL THIRD VOLTAGE
Bulb Length4.125 INCHES NOMINAL
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE
Thread Class2B ALL THREADED HOLE
Contact Adjustment TypeEXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW
Contact Adjustment Range+50.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT AND +48.00 TO 248.00 DEACTUATION POINT DEGREES FAHRENHEIT
Capillary Tube Length72.0 INCHES NOMINAL
Features ProvidedTAMPER PROOF CAP
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 MT1H-M251SA available?
We can source MT1H-M251SA 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 MT1H-M251SA by Barksdale obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MT1H-M251SA 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 MT1H-M251SA?
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 MT1H-M251SA?
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.