Grayhill · Electronic Components
M3786/39-4VA
Military Qualified Rotary Switch
Part NumberM3786/39-4VA
ManufacturerGrayhill
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-468-3241 (NSN)
Federal Item NameSWITCH,ROTARY
Terminal TypeTAB, SOLDER LUG
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Overall Diameter0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM
Shaft Diameter0.123 INCHES MINIMUM AND 0.126 INCHES MAXIMUM SINGLE ACTUATOR
Flat Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Thread Length0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Individual Section Quantity1
Throw Quantity3 SINGLE SECTION PERIPHERY
Contact Load Current Rating125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Federal Supply Class5930 — Switches
Pole Quantity3 SINGLE SECTION PERIPHERY
Switch Actuator Indexing Position3 SINGLE ACTUATOR
ESD/EMICode A — ESD/EMI sensitive item
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 M3786/39-4VA available?
We can source M3786/39-4VA 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 M3786/39-4VA by Grayhill obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3786/39-4VA 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 M3786/39-4VA?
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 M3786/39-4VA?
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.