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Electro Switch Corp.  · Electronic Components

399661MF

Switch, Rotary

Part Number399661MF
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Shaft TypeROUND, BREAKOFF SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Overall Height2.313 INCHES NOMINAL
Individual Section Quantity2
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Voltage Rating In Volts110.0 AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Nonturn Device TypeTAB AT 3:00 OCLOCK
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part Numbers499-042-046
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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 399661MF available?
We can source 399661MF 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 399661MF by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 399661MF 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 399661MF?
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 399661MF?
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.