Pres Air Trol · Electronic Components
PM21140A
Switch, Pressure
Part NumberPM21140A
ManufacturerPres Air Trol
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-464-0271 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Style DesignatorCYLINDRICAL
Contact Voltage Rating In Volts250.0 AC AT SEA LEVEL SINGLE VOLTAGE
Overall Length1.850 INCHES NOMINAL
Pressure Switch TypeDIFFERENTIAL
Contact Adjustment Range+4.00 TO 11.00 ACTUATION POINT POUNDS PER SQUARE INCH
Contact Load Current Rating21.0 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE
Width Across Flats0.475 INCHES NOMINAL
Contact Adjustment TypeEXTERNAL ACTUATION POINT HEX NUT
Contact Action StimulusINCREASE
Overall Diameter1.660 INCHES NOMINAL
Contact AdjustabilityACTUATION POINT ADJUSTABLE, PRESET
ESD/EMICode A — ESD/EMI sensitive item
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 PM21140A available?
We can source PM21140A 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 PM21140A by Pres Air Trol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PM21140A 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 PM21140A?
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 PM21140A?
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.