NSN: 5930-01-053-5340

Technical Characteristics

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  3.0 amperes resistive load ac at sea level

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Throw Quantity

  6 each section rear

• Shaft Diameter

  0.250 inches nominal single actuator

• Contact Load Current Rating

  5.0 amperes resistive load dc at sea level

• First Flat Length

  0.250 inches nominal single actuator

• End Item Identification

  an/usm-381 25778

• Precious Material

  silver

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Type

  round, flatted single actuator

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Mounting Method

  threaded bushing single mounting facility

• Pole Quantity

  2 each section rear

• Thread Class

  2a single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• Nonturn Device Radius

  0.531 inches nominal at 3:00 o'clock

• Terminal Type

  tab, solder lug

• Overall Diameter

  1.563 inches maximum

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Flat Height

  0.219 inches nominal single actuator

• Overall Length

  2.568 inches nominal

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Precious Material And Location

  terminals and contact surfaces silver

• Shaft Length

  0.500 inches nominal single actuator

• Contact Switching Action

  makes before breaks each section rear

• Style Designator

  circular wafer, bushing mount

• Switch Actuator Indexing Position Quantity

  6 single actuator

• Overall Width

  1.125 inches nominal

• Overall Height

  1.312 inches nominal

• Err Default

  err default

• Individual Section Quantity

  4