FR-20

Technical Characteristics

• Overall Height

  0.123 inches minimum and 0.183 inches maximum

• Thread Series Designator

  unc

• Thread Class

  3b

• Thread Direction

  right-hand

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.297 inches nominal

• Size Designation

  20

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.138 inches

• Special Features

  0.865 in. cutout on one side

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.297 inches nominal

• Surface Treatment

  chromate

• Material

  aluminum alloy

• Overall Length

  1.688 inches nominal

• Mounting Facility Type And Quantity

  4 clinch nut

• Overall Width

  1.688 inches nominal

• Style Designator

  square shape