Electro Switch Corp. · Electronic Components
2420B
Switch, Rotary
Part Number2420B
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-233-9822 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
Overall Length3.740 INCHES NOMINAL
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Square Shaft Size0.188 INCHES NOMINAL SINGLE ACTUATOR
Pole Quantity2 SINGLE SECTION REAR
Contact Voltage Rating In Volts600.0 AC AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Individual Section Quantity1
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Shaft Length2.440 INCHES NOMINAL 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 2420B available?
We can source 2420B 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 2420B by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2420B 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 2420B?
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 2420B?
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.