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Janco  · Electronic Components

4M30E4-2N3D

Switch, Rotary

Part Number4M30E4-2N3D
ManufacturerJanco
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR
Pole Quantity4 EACH SECTION FRONT
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Flat Height0.216 INCHES NOMINAL SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Individual Section Quantity2
Thread Length0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY
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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

Frequently asked

Is 4M30E4-2N3D available?
We can source 4M30E4-2N3D 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 4M30E4-2N3D by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4M30E4-2N3D 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 4M30E4-2N3D?
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 4M30E4-2N3D?
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.