NSN: 5930-01-062-2487

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Contact Switching Action

  breaks before makes each section periphery

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Mounting Facility Pattern

  four position rectangular 1st mounting facility

• Overall Height

  2.810 inches nominal

• Style Designator

  tap, circuit selector

• Nominal Thread Size

  0.469 inches 2nd mounting facility

• Err Default

  err default

• Mounting Method

  bracket 1st mounting facility

• Features Provided

  actuator knob

• Mounting Method

  threaded bushing 2nd mounting facility

• Thread Class

  2a 2nd mounting facility

• Overall Length

  5.250 inches nominal

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Hazardous Locations/Environmental Protection

  explosion proof

• Thread Series Designator

  uns 2nd mounting facility

• Switch Actuator Indexing Position Quantity

  7 single actuator

• Overall Width

  2.810 inches nominal

• Throw Quantity

  7 each section periphery

• Thread Quantity Per Inch

  32 2nd mounting facility

• Pole Quantity

  1 each section periphery

• Switch Actuator Momentary Position

  counterclockwise single actuator

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility

• Shaft Length

  2.410 inches nominal single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Terminal Type

  screw

• Shaft Type

  rectangular/square, threaded hole single actuator

• End Item Identification

  mls mk 25 mo 82121

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Knob Manufacturer Code

  82121

• Square Shaft Size

  0.250 inches nominal single actuator

• Individual Section Quantity

  2

• Switch Actuator Stop Device Type

  fixed stop single actuator