Lockheed Martin Corp. · Electronic Components
644747-5
Switch, Pressure
Part Number644747-5
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-817-3710 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Thread Series DesignatorUNF SINGLE PRESSURE CONNECTION
Pressure Switch TypeGAGE
Pressure Connector TypePLAIN, THREADED INTERNAL SINGLE CONNECTION
Media For Which DesignedGAS
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Contact Action StimulusINCREASE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Overall Diameter1.870 INCHES NOMINAL
Thread Quantity Per Inch20 SINGLE PRESSURE CONNECTION
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Overall Length3.400 INCHES NOMINAL
Vendor Part NumbersF1001-1
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 644747-5 available?
We can source 644747-5 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 644747-5 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 644747-5 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 644747-5?
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 644747-5?
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.