Naval Ship Systems Command · Electronic Components
40252
Switch, Thermostatic
Part Number40252
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-296-3981 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Temp Sensing Element TypeINTERNAL SENSOR
Mounting MethodINLET CONNECTION
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Contact Voltage Rating In Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Adjustment Range-50.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT
Overall Width1.125 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Terminal TypeCONNECTOR, RECEPTACLE
Contact Action StimulusINCREASE
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 40252 available?
We can source 40252 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 40252 by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40252 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 40252?
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 40252?
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.