3M227-20B

Technical Characteristics

• Special Features

  weapon system essential

• Mounting Facility Type And Quantity

  4 clinch nut

• Thread Direction

  right-hand

• Overall Width

  1.437 inches nominal

• Nominal Thread Size

  0.112 inches

• Thread Quantity Per Inch

  40

• Surface Treatment

  chromate

• Thread Class

  3b

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.156 inches nominal

• Size Designation

  20

• Overall Height

  0.106 inches minimum and 0.166 inches maximum

• Style Designator

  square shape

• Material

  aluminum alloy

• Thread Series Designator

  unc

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.156 inches nominal

• Overall Length

  1.437 inches nominal

• Criticality Code Justification

  feat

• End Item Identification

  consolidated tergets; aircraft, eagle f-15; f4n aircraft; aircraft, phantom f-4; aircraft, hercules c-130f; aircraft, hercules kc-130