Dwyer Instruments Inc. · Electronic Components
1910-20
Switch, Pressure
Part Number1910-20
ManufacturerDwyer Instruments Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-175-4643 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Proof Pressure45.00 INCHES OF WATER
Nominal Thread Size0.125 INCHES SINGLE PRESSURE CONNECTION
Thread Series DesignatorNPT SINGLE PRESSURE CONNECTION
Contact Adjustment TypeINTERNAL ACTUATION POINT SCREW
Contact Adjustment Range+3.00 TO 11.00 ACTUATION POINT INCHES OF WATER
Contact Action StimulusINCREASE
Mounting MethodSURFACE
Hazardous Locations EnvironmentalVIBRATION PROOF
Thread Quantity Per Inch27 SINGLE PRESSURE CONNECTION
Media For Which DesignedLIQUID
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 1910-20 available?
We can source 1910-20 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 1910-20 by Dwyer Instruments Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1910-20 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 1910-20?
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 1910-20?
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.