NSN: 5930-01-211-6656

Technical Characteristics

• Mounting Facility Pattern

  four position rectangular 1st mounting facility

• Style Designator

  tap, circuit selector

• Thread Series Designator

  unf 2nd mounting facility

• Contact Switching Action

  makes before breaks each section rear

• Mounting Facility Pattern

  four position circular 2nd mounting facility

• Features Provided

  actuator knob

• Precious Material

  silver

• Criticality Code Justification

  feat

• Thread Class

  2a 2nd mounting facility

• Overall Width

  2.812 inches nominal

• Nominal Thread Size

  0.190 inches 1st mounting facility

• Mounting Method

  threaded stud 2nd mounting facility

• Contact Voltage Rating In Volts

  30.0 dc at sea level

• Thread Series Designator

  unc 1st mounting facility

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Individual Section Quantity

  9

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Overall Height

  2.812 inches nominal

• Switch Actuator Indexing Position Quantity

  12 single actuator

• Special Features

  item must comply with requirements of desc production standard no. l03443; for navy nuclear propulsion plant products only

• Thread Class

  2b 1st mounting facility

• Contact Load Current Rating

  7.5 amperes resistive load ac at sea level

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility

• Nominal Thread Size

  0.190 inches 2nd mounting facility

• Overall Length

  6.469 inches nominal

• Terminal Type

  screw

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Contact Load Current Rating

  7.5 amperes resistive load dc at sea level

• Precious Material And Location

  contacts and rotor contact surfaces silver

• Knob Manufacturer Part Number

  8164-12ey

• Mounting Facility Circle Radius

  0.906 inches nominal 2nd mounting facility

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Knob Manufacturer Code

  82121

• Mounting Method

  threaded hole 1st mounting facility

• Thread Quantity Per Inch

  24 1st mounting facility

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility