Duke Mfg · Electronic Components
137D
Switch, Thermostatic
Part Number137D
ManufacturerDuke Mfg
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-116-4908 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Contact Action StimulusINCREASE
Mounting MethodUNTHREADED HOLE(S)
Contact Voltage Rating In Volts480.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Stimulus Rating200.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 550.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 14.00 DIFF
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Capillary Tube Length48.0 INCHES NOMINAL
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE
Vendor Part Numbers40Z-77087
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 137D available?
We can source 137D 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 137D by Duke Mfg obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 137D 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 137D?
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 137D?
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.