Ashcroft · Electronic Components
B420B3000PSI
Switch, Pressure
Part NumberB420B3000PSI
ManufacturerAshcroft
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-144-2058 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Contact Adjustment Range+90.00 TO 3300.00 ACTUATION POINT POUNDS PER SQUARE INCH AND +60.00 TO 3270.00 DEACTUATION POINT POUNDS PER SQUARE INCH
Media For Which DesignedGAS
Overall Height5.750 INCHES NOMINAL
Pressure Connector TypePLAIN, THREADED INTERNAL SINGLE CONNECTION
Contact Voltage Rating In Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Style DesignatorRECTANGULAR
Body Height2.750 INCHES NOMINAL
Hazardous Locations EnvironmentalWATERTIGHT
Shortest Horizontal Distance Betwe1.625 INCHES NOMINAL
Contact Stimulus Rating3000.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 30.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH
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 B420B3000PSI available?
We can source B420B3000PSI 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 B420B3000PSI by Ashcroft obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B420B3000PSI 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 B420B3000PSI?
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 B420B3000PSI?
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.