Johnson Controls Inc. Control Products Div · Electronic Components
P28AA-18
Switch, Pressure
Part NumberP28AA-18
ManufacturerJohnson Controls Inc. Control Products Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-173-4947 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Mounting Facility PatternTWO POSITION DIAGONAL
Style DesignatorRECTANGULAR
Contact Adjustment Range+8.00 TO 70.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE
Overall Length5.297 INCHES NOMINAL
Longest Vertical Distance Between0.453 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.203 INCHES NOMINAL
Contact Voltage Rating In Volts120.0 AC AT SEA LEVEL FIRST VOLTAGE
Features ProvidedELECTRICAL ACCESS PORT AND MANUAL RESET BUTTON
Overall Width5.656 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Pressure Switch TypeDIFFERENTIAL
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 P28AA-18 available?
We can source P28AA-18 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 P28AA-18 by Johnson Controls Inc. Control Products Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P28AA-18 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 P28AA-18?
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 P28AA-18?
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.