NSN: 5930-01-051-1265

Technical Characteristics

• Knob Manufacturer Code

  82121

• Square Shaft Size

  0.250 inches nominal single actuator

• Thread Quantity Per Inch

  24 1st mounting facility

• Individual Section Quantity

  10

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Pole Quantity

  1 each section rear

• Nominal Thread Size

  0.375 inches 2nd mounting facility

• Mounting Facility Pattern

  four position circular 1st mounting facility

• Style Designator

  tap, circuit selector

• Shaft Length

  2.188 inches nominal single actuator

• Thread Series Designator

  unf 2nd mounting facility

• Err Default

  err default

• Contact Switching Action

  makes before breaks each section rear

• Mounting Facility Circle Radius

  3.250 inches nominal 1st mounting facility

• Features Provided

  actuator knob

• Thread Class

  2a 2nd mounting facility

• Overall Width

  2.812 inches nominal

• Throw Quantity

  11 each section rear

• Nominal Thread Size

  0.190 inches 1st mounting facility

• Thread Series Designator

  unc 1st mounting facility

• Overall Length

  7.938 inches nominal

• Mounting Method

  threaded bushing w/panel seal 2nd mounting facility

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Terminal Type

  tab w/screw

• Overall Height

  2.812 inches nominal

• Switch Actuator Indexing Position Quantity

  12 single actuator

• Thread Class

  2b 1st mounting facility

• Hazardous Locations/Environmental Protection

  watertight

• Contact Load Current Rating

  7.5 amperes resistive load ac at sea level

• Mounting Method

  bracket 1st mounting facility and threaded hole 1st mounting facility

• Knob Special Markings

  white arrow

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  rectangular/square, threaded hole single actuator