NC30370A

Technical Characteristics

• Overall Height

  4.125 inches nominal

• Overall Width

  4.375 inches nominal

• First Flat Length

  0.500 inches nominal

• Flat Height

  0.312 inches nominal

• Shaft Diameter

  0.375 inches nominal

• Individual Section Quantity

  2

• Knob Manufacturer Code

  82121

• Knob Manufacturer Part Number

  8164-12y

• Switch Contact Basic Design

  nonpile-up symmetrical

• Features Provided

  actuator knob

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.250 inches

• Terminal Type

  tab w/screw

• Contact Switching Action

  breaks before makes

• Contact Load Current Rating

  30.0 amperes resistive load

• Special Features

  shaft drilled perpindicular to flat and tapped 5-40 0.438 in. from end of shaft for pin and style 1 mounting 2 holes 0.312 in. on 3.812 in. mounting centers

• Style Designator

  tap,circuit selector

• Thread Series Designator

  unc

• Reference Number Differentiating Characteristics

  material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

• Overall Length

  3.500 inches nominal

• Shaft Length

  0.750 inches nominal

• Pole Quantity

  1

• Throw Quantity

  3

• Mounting Facility Circle Radius

  1.609 inches nominal

• Contact Voltage Rating In Volts

  500.0

• Shaft Flat/Slot Angular Location

  0.0 degrees from contact position 1

• Mounting Facility Pattern

  four position circular

• Switch Actuator Indexing Position Quantity

  4

• Shaft Type

  round,flatted,threaded hole

• Switch Actuator Positioning Increment

  90.0 degrees

• Switch Actuator Stop Device Type

  adjustable stop