Hydra-Electric · Electronic Components
40121-1A
Switch, Pressure
Part Number40121-1A
ManufacturerHydra-Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-953-5395 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Thread Series DesignatorUN SINGLE PRESSURE CONNECTION
Media For Which DesignedLIQUID
Overall Length4.180 INCHES MAXIMUM
Nominal Thread Size1.062 INCHES SINGLE PRESSURE CONNECTION
Style DesignatorCYLINDRICAL
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating In Volts14.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Stimulus Rating44.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 40.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Body Length3.570 INCHES NOMINAL
Outside Diameter1.062 INCHES NOMINAL SINGLE CONNECTION
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Cancelled NSN5930-00-621-0196 (cancelled)
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 40121-1A available?
We can source 40121-1A 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 40121-1A by Hydra-Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40121-1A 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 40121-1A?
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 40121-1A?
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.