1-1957M4-5N

Technical Characteristics

• 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

• Contact Load Current Rating

  75.0 milliamperes resistive load ac at sea level

• Contact Voltage Rating In Volts

  115.0 ac at altitude

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Switching Action

  breaks before makes each section rear

• Individual Section Quantity

  4

• First Flat Length

  0.250 inches nominal single actuator

• ~1

  data on certain environmental and performance

• Specification/Standard Data

  81349-mil-s-3786/4 government specification

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Switch Actuator Positioning Increment

  60.0 degrees single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Pole Quantity

  1 each section front

• Throw Quantity

  5 each section rear

• Switch Actuator Indexing Position Quantity

  5 single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Rotor Through Connection Quantity

  1 each section

• Contact Voltage Rating In Volts

  28.0 dc at altitude

• Detent Rotational Torque Range

  +0.500/+2.500 inch-ounces single actuator

• Thread Series Designator

  unef single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Terminal Type

  tab, solder lug

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Contact Load Current Rating

  20.0 milliamperes resistive load ac at altitude

• Nonturn Device Type

  tab at 3:00 o'clock

• Special Features

  body diameter:1.306 in. nom.;body length:2.063 in. nom.;switch actuator qty:1;mounting facility thread length:0.437 in. nom.;actuator operating medthod:manual;frequency in hertz:60.0

• Thread Quantity Per Inch

  32 single mounting facility

• Mounting Method

  threaded bushing single mounting facility

• Overall Length

  2.937 inches nominal

• Contact Load Current Rating

  200.0 milliamperes resistive load dc at altitude

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Length

  0.874 inches nominal single actuator

• Shaft Type

  round, flatted single actuator

• Overall Diameter

  1.306 inches maximum

• Flat Height

  0.216 inches nominal 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

• Nominal Thread Size

  0.375 inches single mounting facility

• Style Designator

  tap, circular, bushing mount