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Rotary Switch

Model / MPN: M3786/40-1558 | NSN: 5930-01-282-3125
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
5930-01-282-3125
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a 1st mounting facility
Thread Class
2b 2nd mounting facility
Thread Length
0.312 inches 1st mounting facility
Overall Length
5.465 inches
Overall Height
2.088 inches
Overall Width
2.088 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
0.688 inches single actuator
Nonturn Device Radius
0.531 inches at 12: 00 o'clock
Individual Section Quantity
6
Nonturn Device Type
Tab at 12: 00 o'clock
Longest Horizontal Distance Between Mounting Centers
1.438 inches 2nd mounting facility
Longest Vertical Distance Between Mounting Centers
1.438 inches 2nd mounting facility
Operating Tempurature Range
-65.0/+125.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
32 each section rear
Mounting Method
Threaded bushing w/panel seal 1st mounting facility
Mounting Method
Threaded hole 2nd mounting facility
Thready Qty Per Inch (tpi)
32 2nd mounting facility
Thread Size
0.138 inches 2nd mounting facility
Thread Size
0.375 inches 1st mounting facility
Contact Voltage Rating In Volts
115.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Contact Voltage Rating In Volts
300.0 highest ac voltage rating at sea level
Rotor Through Connection Quantity
1 each section
Mounting Facility Pattern
Four position rectangular 2nd mounting facility
Switch Actuator Indexing Position Quantity
32 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks each section rear
Switch Actuator Positioning Increment
11.25 degrees single actuator
Detent Rotational Torque Range
+1.500/+10.000 inch-pounds single actuator
Contact Load Current Rating
125.0 milliamperes resistive load lowest ac voltage rating at sea level
Contact Load Current Rating
50.0 milliamperes resistive load highest ac voltage rating at sea level
Contact Load Current Rating
500.0 milliamperes resistive load dc at sea level and 50.0 milliamperes inductive load dc at sea level
Style Designator
Square wafer, panel 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
Unc 2nd mounting facility
Thread Series Designator
Unef 1st mounting facility
Specification Data
81349-mil-s-3786/40 government specification

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M3786/40-1558 Cross Reference
  • MIL-S-3786/40
  • 948543-1558