KA-89-41

Technical Characteristics

• Thread Class

  2b

• Nominal Thread Size

  0.438 inches

• Material

  brass

• Mounting Facility Type And Quantity

  1 threaded coupling

• Body Diameter

  0.724 inches minimum and 0.730 inches maximum

• Precious Material And Location

  body surface silver

• Thread Direction

  right-hand

• Overall Length

  0.460 inches nominal

• Thread Series Designator

  unef

• Size Designation

  tnc

• Style Designator

  straight shape, solid internal threaded coupling

• End Item Identification

  support equipment, t-37 aircraft; support equipment, t-38 aircraft; aircraft, eagle f-15; aircraft, phantom f-4; support equipment, f-4 aircraft

• Surface Treatment

  silver plated

• Special Features

  weapon system essential

• Criticality Code Justification

  feat