Rockwell Collins · Electronic Components
266-8399-020
Switch, Pressure
Part Number266-8399-020
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-255-9351 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Thread Class3A SINGLE PRESSURE CONNECTION
Body Length1.688 INCHES NOMINAL
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Proof Pressure120.00 POUNDS PER SQUARE INCH
Nominal Thread Size0.4375 INCHES SINGLE PRESSURE CONNECTION
Operating Temp Rating-55.0 CELSIUS MINIMUM AND 71.0 CELSIUS MAXIMUM
Mounting MethodCLAMP
Contact Action StimulusINCREASE
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
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 266-8399-020 available?
We can source 266-8399-020 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 266-8399-020 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 266-8399-020 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 266-8399-020?
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 266-8399-020?
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.