NSN: 5930-01-061-5877

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Thread Class

  2a 1st mounting facility

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Err Default

  err default

• Individual Section Quantity

  4

• Thread Series Designator

  uns 1st mounting facility

• Features Provided

  actuator knob

• Criticality Code Justification

  feat

• Mounting Method

  bracket 2nd mounting facility and threaded hole 2nd mounting facility

• Knob Special Markings

  arrow

• Mounting Method

  threaded bushing w/panel seal 1st mounting facility

• Mounting Facility Pattern

  four position rectangular 2nd mounting facility

• Thread Quantity Per Inch

  24 2nd mounting facility

• Overall Height

  2.500 inches nominal

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Terminal Type

  tab w/screw

• Thread Series Designator

  unc 2nd mounting facility

• Shaft Length

  1.188 inches nominal single actuator

• Overall Length

  4.376 inches nominal

• Special Features

  weapon system

• Nominal Thread Size

  0.190 inches 2nd mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Flat Height

  0.219 inches nominal single actuator

• Thread Class

  2b 2nd mounting facility

• Longest Horizontal Distance Between Mounting Centers

  1.641 inches nominal 2nd mounting facility

• Throw Quantity

  3 each section rear

• Switch Actuator Momentary Position

  clockwise single actuator and counterclockwise single actuator

• Rotor Through Connection Quantity

  1 each section

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Thread Quantity Per Inch

  32 1st mounting facility

• Longest Vertical Distance Between Mounting Centers

  1.641 inches nominal 2nd mounting facility

• Knob Manufacturer Code

  82121

• Pole Quantity

  1 each section front

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• First Flat Length

  0.750 inches nominal single actuator

• Nominal Thread Size

  0.469 inches 1st mounting facility