MIL-SPEC · Electronic Components
M3786/4-4174
Switch, Rotary
Part NumberM3786/4-4174
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-337-8539 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Operating Temp Range-65.0 TO 125.0 CELSIUS
Overall Diameter1.000 INCHES MINIMUM AND 1.306 INCHES MAXIMUM
Hazardous Locations EnvironmentalEXPLOSION PROOF
Contact Load Current Rating250.0 MILLIAMPERES INDUCTIVE LOAD AND 1.3 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Thread Class2A SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Individual Section Quantity8
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Overall Length4.188 INCHES MINIMUM AND 4.454 INCHES MAXIMUM
Test Data Document81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
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 M3786/4-4174 available?
We can source M3786/4-4174 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 M3786/4-4174 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3786/4-4174 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 M3786/4-4174?
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 M3786/4-4174?
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.