Dwyer Instruments Inc. · Electronic Components
RSA
Switch, Mercury
Part NumberRSA
ManufacturerDwyer Instruments Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-029-4292 (NSN)
Federal Item NameSWITCH,MERCURY
Federal Supply Class5930 — Switches
Contact Load Current Rating At Max25.000 AMPERES RESISTIVE AC
Terminal Type And Quantity2 WIRE LEAD
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Mounting MethodTERMINAL
Body Length3.188 INCHES NOMINAL
Maximum Voltage Rating In Volts120.0 AC
Body Diameter0.891 INCHES NOMINAL
Body StyleUNCASED
Switch Actuation Differential Angl8.0 DEGREES 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 RSA available?
We can source RSA 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 RSA by Dwyer Instruments Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RSA 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 RSA?
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 RSA?
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.