Sigma-Netics, Inc. · Electronic Components
703644
Switch, Pressure
Part Number703644
ManufacturerSigma-Netics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-198-6138 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Thread Class3A SINGLE PRESSURE CONNECTION
Style DesignatorCYLINDRICAL
Outside Diameter0.438 INCHES NOMINAL SINGLE CONNECTION
Media For Which DesignedLIQUID
Nominal Thread Size0.438 INCHES SINGLE PRESSURE CONNECTION
Overall Diameter1.000 INCHES NOMINAL
Terminal TypeCONNECTOR, RECEPTACLE
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Mounting MethodINPUT PORT
Contact Load Current Rating7.0 AMPERES RESISTIVE LOAD AND 4.0 AMPERES INDUCTIVE LOAD AND 2.5 AMPERES LAMP LOAD SINGLE VOLTAGE
Sensing Element Burst Pressure1000.00 POUNDS PER SQUARE INCH GAGE
Vendor Part Numbers13225122
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 703644 available?
We can source 703644 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 703644 by Sigma-Netics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 703644 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 703644?
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 703644?
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.