229839-12

Technical Characteristics

• Thread Series Designator

  unc

• Material

  aluminum alloy

• Style Designator

  square shape

• Overall Width

  1.083 inches minimum and 1.113 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Length

  0.812 inches nominal

• Size Designation

  12

• Surface Treatment

  chromate

• Thread Quantity Per Inch

  40

• Nominal Thread Size

  0.112 inches

• Thread Direction

  right-hand

• Overall Length

  1.083 inches minimum and 1.113 inches maximum

• End Item Identification

  radio set an/arc187

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.812 inches nominal

• Mounting Facility Type And Quantity

  4 clinch nut

• Thread Class

  2b

• Overall Height

  0.111 inches minimum and 0.161 inches maximum