Robertshaw Controls Co New Stanton Div · Electronic Components
KX138-24
Switch, Thermostatic
Part NumberKX138-24
ManufacturerRobertshaw Controls Co New Stanton Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-157-2732 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts277.0 AC AT SEA LEVEL SINGLE VOLTAGE
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Capillary Tube Length24.0 INCHES NOMINAL
Bulb Diameter0.188 INCHES NOMINAL
Body Height2.422 INCHES NOMINAL
Features ProvidedCAPILLARY TUBE END SEAL CONNECTION
Contact AdjustabilityACTUATION POINT ADJUSTABLE AND DEACTUATION POINT ADJUSTABLE
Media For Which DesignedGAS OR LIQUID
Style DesignatorRECTANGULAR
Mounting MethodBRACKET(S) AND THREADED HOLE(S)
Bulb Length12.250 INCHES NOMINAL
Vendor Part NumbersX9991-590
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 KX138-24 available?
We can source KX138-24 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 KX138-24 by Robertshaw Controls Co New Stanton Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KX138-24 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 KX138-24?
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 KX138-24?
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.