MIL-SPEC · Electronic Components
M3786/4-0642
Switch, Rotary
Part NumberM3786/4-0642
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-028-1405 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR
Nonturn Device TypeTAB AT 3:00 OCLOCK
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Nonturn Device Radius0.375 INCHES NOMINAL AT 3:00 OCLOCK
Rotor Through Connection Quantity2 EACH SECTION
Shaft Length0.437 INCHES NOMINAL SINGLE ACTUATOR
Shaft Flat Slot Angular Location216.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Hazardous Locations EnvironmentalEXPLOSION PROOF
Operating Temp Range-65.0 TO 85.0 CELSIUS
Cancelled NSN5930-00-421-9857 (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 M3786/4-0642 available?
We can source M3786/4-0642 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 M3786/4-0642 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3786/4-0642 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 M3786/4-0642?
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 M3786/4-0642?
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.