Alter Harry Co The · Electronic Components
20951
Switch, Pressure
Part Number20951
ManufacturerAlter Harry Co The
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-253-1515 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Style DesignatorRECTANGULAR
Contact Voltage Rating In Volts120.0 AC AT SEA LEVEL FIRST VOLTAGE
Pressure Switch TypeDIFFERENTIAL
Contact AdjustabilityACTUATION POINT ADJUSTABLE, PRESET AND DEACTUATION POINT ADJUSTABLE, PRESET
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Overall Height2.297 INCHES NOMINAL
Contact Action StimulusDECREASE
Overall Length5.297 INCHES NOMINAL
Contact Stimulus Rating8.00 DIFFERENTIAL POINT MINIMUM POUND AND 70.00 DIFFERENTIAL POINT MAXIMUM POUND
Media For Which DesignedLIQUID
Overall Width5.656 INCHES NOMINAL
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 20951 available?
We can source 20951 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 20951 by Alter Harry Co The obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20951 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 20951?
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 20951?
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.