Sperical radius at top end; 0.270 in. W by 0.860 in. Deep slot in top end; one 0.377 in. Diameter hole through piston at top end 90 degrees from slot; hole located 0.235 in. From hole center to piston end
NSN 5999-01-330-9283
NSN 5935-00-600-5228
NSN 5855-01-066-2882
NSN 5960-00-488-4798
NSN 6685-01-619-4152
NSN 5935-01-093-3157
NSN 5910-01-309-7345
NSN 5920-01-321-4327
NSN 6620-00-286-5721
NSN 6650-01-433-3520
NSN 5945-00-659-3928
NSN 6135-01-051-7836