Robertshaw Controls Co New Stanton Div · Electronic Components
X9990-740
Switch, Thermostatic
Part NumberX9990-740
ManufacturerRobertshaw Controls Co New Stanton Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-929-2734 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Media For Which DesignedGAS OR LIQUID
Contact Action StimulusDECREASE
Mounting MethodFLANGE AND UNTHREADED HOLE(S)
Style DesignatorRECTANGULAR
Bulb Diameter0.188 INCHES NOMINAL
Contact Adjustment TypeEXTERNAL DEACTUATION POINT KNOB WITH SCALE AND EXTERNAL ACTUATION POINT KNOB WITH SCALE
Bulb Length13.000 INCHES NOMINAL
Mounting Facility PatternTWO POSITION IN-LINE
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Contact Adjustment Range+145.00 TO 550.00 ACTUATION POINT DEGREES FAHRENHEIT AND +145.00 TO 550.00 DEACTUATION POINT DEGREES FAHRENHEIT
Terminal TypeSCREW
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 X9990-740 available?
We can source X9990-740 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 X9990-740 by Robertshaw Controls Co New Stanton Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If X9990-740 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 X9990-740?
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 X9990-740?
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.