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Rotary Switch

Model / MPN: MIL-DTL-3786/4 | NSN: 5930-00-001-2932
ITAR Registered seal

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Product Details
NATO Stock Number
5930-00-001-2932
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a single mounting facility
Thread Length
0.437 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
2.591 inches
First Flat Length
0.250 inches single actuator
Flat Height
0.216 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.437 inches single actuator
Overall Diameter
Between 1.000 inches and 1.306 inches
Nonturn Device Radius
0.375 inches at 3: 00 o'clock
Individual Section Quantity
3
Nonturn Device Type
Tab at 3: 00 o'clock
Operating Tempurature Range
-65.0 to 125.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
3 each section front
Throw Quantity
4 each section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Shaft Flat/slot Angular Location
195.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity
3 each section
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
250.0 milliamperes resistive load dc at sea level and 100.0 milliamperes inductive load dc at sea level
Contact Load Current Rating
75.0 milliamperes resistive load ac at sea level
Style Designator
Tap, circular, bushing mount
Test Data Document
81349-mil-s-3786 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unef single mounting facility
Specification Data
81349-mil-s-3786/4 government specification

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MIL-DTL-3786/4 Cross Reference
  • M3786/4-3063
  • 44H30-03-3-4N
  • 4M30E3-3N4
  • MC13776
  • MIL-S-3786/4