Avox Systems Inc. · Electronic Components
P904-1
Switch, Pressure
Part NumberP904-1
ManufacturerAvox Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-259-8316 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Contact Adjustment TypeEXTERNAL ACTUATION POINT HEX NUT
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Contact AdjustabilityACTUATION POINT ADJUSTABLE, PRESET
Contact Stimulus Rating0.30 DIFFERENTIAL POINT NOMINAL INCHES OF WATER
Contact Load Current Rating4.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Mounting MethodBASE
Overall Height4.188 INCHES NOMINAL
Terminal TypeCONNECTOR, RECEPTACLE
Pressure Switch TypeDIFFERENTIAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Overall Diameter6.125 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 P904-1 available?
We can source P904-1 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 P904-1 by Avox Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P904-1 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 P904-1?
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 P904-1?
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.