General Dynamics Mission Systems, Inc. · Electronic Components
340A3961
Switch, Rotary
Part Number340A3961
ManufacturerGeneral Dynamics Mission Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-340-6902 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Length0.912 INCHES NOMINAL SINGLE ACTUATOR
First Flat Length0.468 INCHES NOMINAL SINGLE ACTUATOR
Features ProvidedMETALLIC ENCLOSURE
Contact Load Current Rating150.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Throw Quantity2 SINGLE SECTION REAR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Voltage Rating In Volts15.0 DC AT SEA LEVEL
Thread Class2A SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalDUSTPROOF
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Vendor Part Numbers8540-4ULR1, B8540-4MLR1
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 340A3961 available?
We can source 340A3961 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 340A3961 by General Dynamics Mission Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 340A3961 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 340A3961?
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 340A3961?
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.