NSN: 5935-01-360-8755

Technical Characteristics

• Overall Length

  2.969 inches nominal

• End Item Identification

  1520011255476 helicopter,observation

• Size Designation

  21

• Thread Series Designator

  iso m

• Style Designator

  straight shape solid type

• Cable Opening Diameter

  0.360 inches minimum and 0.390 inches maximum

• Surface Treatment

  cadmium and nickel, electroless

• Cable Opening Quantity

  1

• Thread Direction

  right-hand

• Overall Diameter

  1.642 inches maximum

• Material

  aluminum alloy

• Thread Tolerance Class

  6g internal

• Mounting Facility Type And Quantity

  1 threaded coupling

• Nominal Thread Size

  31.0 millimeters

• Nominal Thread Length

  0.219 inches