Ellis & Watts International · Electronic Components
W5-4B
Switch, Pressure
Part NumberW5-4B
ManufacturerEllis & Watts International
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-578-3059 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Body Height3.219 INCHES NOMINAL
Style DesignatorRECTANGULAR W/BRACKET
Contact Action StimulusINCREASE
Pressure Switch TypeGAGE
Contact Load Current Rating6.9 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Terminal TypeTAB W/SCREW
Mounting MethodBRACKET(S)
Overall Width2.063 INCHES NOMINAL
Vendor Part NumbersL59P157B, 2M0AP20-2317, 270AP20M0DEL2317
Cancelled NSN4820-00-630-5112 (cancelled)
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 W5-4B available?
We can source W5-4B 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 W5-4B by Ellis & Watts International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W5-4B 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 W5-4B?
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 W5-4B?
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.