MIL-SPEC · Electronic Components
M3786/39-4WA
Switch, Rotary
Part NumberM3786/39-4WA
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-265-7799 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD AND 250.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
First Flat Length0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM SINGLE ACTUATOR
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Flat Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Overall Length1.541 INCHES NOMINAL
Thread Length0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Overall Diameter0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
Cancelled NSN5930-01-093-6011 (cancelled)
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 M3786/39-4WA available?
We can source M3786/39-4WA 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 M3786/39-4WA by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3786/39-4WA 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 M3786/39-4WA?
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 M3786/39-4WA?
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.