Rotary Switch

Features

Specifications

• Hazardous Locations/environmental Protection:
  Dustproof
• Overall Width:
  4.375 inches
• First Flat Length:
  1.375 inches single actuator
• Flat Height:
  0.250 inches single actuator
• Shaft Diameter:
  0.375 inches single actuator
• Shaft Length:
  1.375 inches single actuator
• Unthreaded Mounting Hole Diameter:
  0.312 inches 2nd mounting facility
• Individual Section Quantity:
  9
• Knob Manufacturer Code:
  82121
• Longest Horizontal Distance Between Mounting Centers:
  2.281 inches 1st mounting facility
• Longest Horizontal Distance Between Mounting Centers:
  3.812 inches 2nd mounting facility
• Longest Vertical Distance Between Mounting Centers:
  2.281 inches 1st mounting facility
• Switch Contact Basic Design:
  Nonpile-up symmetrical
• Pole Quantity:
  1 each section rear
• Throw Quantity:
  3 each section rear
• Mounting Method:
  Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
• Mounting Method:
  Bracket 1st mounting facility and threaded hole 1st mounting facility
• Features Provided:
  Actuator knob
• Thready Qty Per Inch (tpi):
  20 1st mounting facility
• Thread Size:
  0.250 inches 1st mounting facility
• Contact Voltage Rating In Volts:
  125.0 ac at sea level
• Mounting Facility Pattern:
  Four position rectangular 1st mounting facility
• Mounting Facility Pattern:
  Two position in-line 2nd mounting facility
• Switch Actuator Indexing Position Quantity:
  4 single actuator
• Shaft Type:
  Round, flatted, threaded hole single actuator
• Criticality Code Justification:
  Feat
• Terminal Type:
  Tab w/screw
• Contact Switching Action:
  Breaks before makes 1st section rear
• Contact Switching Action:
  Breaks before makes 4th section rear
• Contact Switching Action:
  Breaks before makes 5th section rear
• Contact Switching Action:
  Breaks before makes 6th section rear
• Contact Switching Action:
  Breaks before makes 2nd section rear
• Contact Switching Action:
  Breaks before makes 3rd section rear
• Contact Switching Action:
  Breaks before makes 8th section rear
• Contact Switching Action:
  Makes before breaks 7th section rear
• Contact Switching Action:
  Makes before breaks 9th section rear
• Switch Actuator Positioning Increment:
  90.0 degrees single actuator
• Switch Actuator Stop Device Type:
  Fixed stop single actuator
• Contact Load Current Rating:
  10.0 amperes resistive load ac at sea level
• Style Designator:
  Tap, circuit selector
• Reference Number Differentiating Characteristics:
  Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
• Federal Supply Class (fsc):
  Switches
• National Stock Number (nsn):
  5930-01-140-4344
• Special Features:
  Item must comply with requirements of desc production standard no. L03160; for navy nuclear propulsion plant products only