Grayhill Inc · Electronic Components
M3786/39-JSF
Military Qualified Rotary Switch
Part NumberM3786/39-JSF
ManufacturerGrayhill Inc
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-417-3744 (NSN)
Federal Item NameSWITCH,ROTARY
Terminal TypePRINTED CIRCUIT
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Overall Length1.416 INCHES NOMINAL
Overall Diameter0.687 INCHES NOMINAL
Throw Quantity5 EACH SECTION REAR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL; 28.0 DC AT SEA LEVEL
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL; 500.0 MILLIAMPERES RESISTIVE LOAD AND 250.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Pole Quantity2 EACH SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Federal Supply Class5930 — Switches
Test Data Document81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Thread Length0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY
Rotor Through Connection Quantity2 EACH SECTION
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-JSF available?
We can source M3786/39-JSF 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-JSF by Grayhill Inc obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3786/39-JSF 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-JSF?
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-JSF?
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.