Eaton Aerospace · Electronic Components
21SN04-214
Switch, Pressure
Part Number21SN04-214
ManufacturerEaton Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-159-5240 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Media For Which DesignedGAS OR LIQUID
Terminal TypeCONNECTOR, RECEPTACLE
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Overall Length2.580 INCHES NOMINAL
Thread Quantity Per Inch32 ALL THREADED HOLE
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD AND 500.0 MILLIAMPERES INDUCTIVE LOAD SINGLE VOLTAGE
Contact Stimulus Rating5.50 DIFFERENTIAL POINT MINIMUM POUNDS PER SQUARE INCH AND 10.00 DIFFERENTIAL POINT MAXIMUM POUNDS PER SQUARE INCH
Pressure Switch TypeDIFFERENTIAL
Thread Series DesignatorUNF ALL THREADED HOLE
Style DesignatorCYLINDRICAL W/LUGS
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 21SN04-214 available?
We can source 21SN04-214 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 21SN04-214 by Eaton Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21SN04-214 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 21SN04-214?
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 21SN04-214?
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.