Features and Characteristics
Thread Class
2a single mounting facility
Thread Length
0.312 inches single mounting facility
Hazardous Locations/environmental Protection
Shock resistant and vibration resistant
Overall Length
4.125 inches
First Flat Length
0.250 inches 1st actuator0.250 inches 2nd actuator and 0.260 inches 2nd actuator
Flat Height
0.211 inches 1st actuator and 0.221 inches 1st actuator0.088 inches 2nd actuator and 0.098 inches 2nd actuator
Shaft Diameter
0.247 inches 1st actuator and 0.251 inches 1st actuator0.123 inches 2nd actuator and 0.126 inches 2nd actuator
Shaft Length
0.562 inches 1st actuator0.500 inches 2nd actuator
Overall Diameter
1.750 inches
Nonturn Device Radius
0.531 inches at 3: 00 o'clock
Individual Section Quantity
4
Nonturn Device Type
Tab at 3: 00 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
12 each section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
28.0 dc at sea level300.0 highest ac voltage rating at sea level115.0 lowest ac voltage rating at sea level
Rotor Through Connection Quantity
1 each section
Switch Actuator Indexing Position Quantity
12 single actuator
Shaft Type
Round, flatted 1st actuatorround, flatted 2nd actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Contact Load Current Rating
50.0 milliamperes inductive load dc at sea level and 500.0 milliamperes resistive load dc at sea level50.0 milliamperes resistive load highest ac voltage rating at sea level250.0 milliamperes resistive load lowest ac voltage rating at sea level
Style Designator
Circular wafer, 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-3786/2 government specification