Comsaco, LLC · Electronic Components
3SR4B4-2
Switch, Rotary
Part Number3SR4B4-2
ManufacturerComsaco, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-296-4311 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Terminal TypeTAB W/SCREW
Overall Height7.125 INCHES NOMINAL
Throw Quantity2 EACH SECTION FRONT
Mounting Facility PatternTHREE POSITION CIRCULAR SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalWATERTIGHT
Mounting Facility Circle Radius3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY
Knob Manufacturer Code80064
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Contact Voltage Rating In Volts500.0 AC AT SEA LEVEL
Knob Manufacturer Part Number9000S6202-74276
Switch Actuator Indexing Position4 SINGLE ACTUATOR
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 3SR4B4-2 available?
We can source 3SR4B4-2 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 3SR4B4-2 by Comsaco, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3SR4B4-2 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 3SR4B4-2?
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 3SR4B4-2?
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.