Nason · Electronic Components
SP-2A-4R
Switch, Pressure
Part NumberSP-2A-4R
ManufacturerNason
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-266-4601 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Media For Which DesignedGAS
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Proof Pressure500.00 POUNDS PER SQUARE INCH
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Operating Temp Rating-50.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM
Mounting MethodLINE
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL FIRST VOLTAGE
Frequency In Hertz60.0 SECOND VOLTAGE
Contact Stimulus Rating4.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH
Terminal TypeTHREADED STUD
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 SP-2A-4R available?
We can source SP-2A-4R 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 SP-2A-4R by Nason obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SP-2A-4R 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 SP-2A-4R?
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 SP-2A-4R?
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.