Grayhill · Electronic Components
M3786/39-8GB
Military Qualified Rotary Switch
Part NumberM3786/39-8GB
ManufacturerGrayhill
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-343-0843 (NSN)
Federal Item NameSWITCH,ROTARY
Terminal TypeTAB, SOLDER LUG
Overall Length1.824 INCHES NOMINAL
Overall Diameter0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
Precious MaterialSILVER AND GOLD
Precious Material LocationCONTACTS AND ROTOR BLADES SILVER AND CONTACT AND ROTOR BLADE SURFACES GOLD
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Individual Section Quantity2
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Switch Actuator Positioning Increm36.0 DEGREES SINGLE ACTUATOR
Contact Load Current Rating75.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL; 50.0 MILLIAMPERES INDUCTIVE LOAD AND 125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Federal Supply Class5930 — Switches
Test Data Document81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Precious Material And LocationCONTACTS AND ROTOR BLADES SILVER AND CONTACT AND ROTOR BLADE SURFACES GOLD
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 M3786/39-8GB available?
We can source M3786/39-8GB 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 M3786/39-8GB by Grayhill obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3786/39-8GB 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 M3786/39-8GB?
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 M3786/39-8GB?
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.