Boeing · Electronic Components
5271903-533M
Switch, Pressure
Part Number5271903-533M
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-870-2645 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Pressure Switch TypeGAGE
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM
Body Diameter3.000 INCHES NOMINAL
Thread Series DesignatorUNF SINGLE PRESSURE CONNECTION
Contact Voltage Rating In Volts30.0 DC AT SEA LEVEL SINGLE VOLTAGE
Mounting Facility PatternTWO POSITION IN-LINE
Media For Which DesignedGAS OR LIQUID
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Pressure Connector TypePLAIN, THREADED INTERNAL SINGLE CONNECTION
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Thread Quantity Per Inch20 SINGLE PRESSURE CONNECTION
Vendor Part Numbers32078
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 5271903-533M available?
We can source 5271903-533M 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 5271903-533M by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5271903-533M 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 5271903-533M?
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 5271903-533M?
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.