Boeing · Electronic Components
74B838001-103
Switch, Pressure
Part Number74B838001-103
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-116-4463 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Mounting MethodINPUT PORT
Media For Which DesignedGAS
Pressure Switch TypeGAGE
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Nominal Thread Size0.438 INCHES SINGLE PRESSURE CONNECTION
Style DesignatorCYLINDRICAL
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Action StimulusINCREASE
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Contact Stimulus Rating250.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE AND 200.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH G
Pressure Connector TypeFLARED, THREADED EXTERNAL SINGLE CONNECTION
Vendor Part Numbers8130124, 8324-103, P10M-122, 2335-127-3, 211C117-90
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 74B838001-103 available?
We can source 74B838001-103 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 74B838001-103 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74B838001-103 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 74B838001-103?
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 74B838001-103?
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.