نصف محمل من النوع المنقسم المكون من قطعتين، غلاف.
4.9990 inches minimum and 5.0000 inches maximum body outside diameter, 0.3750 inches nominal first hole diameter, 4.4998 inches minimum and 4.5022 inches maximum body inside diameter, 3 hole antirotation/lubrication type and quantity, 70.0 degrees nominal hole spacing angle