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 5855-01-103-8650
NSN 5950-00-392-1719
NSN 6240-01-312-9158
NSN 7035-00-849-5526
NSN 6320-01-532-7491
NSN 5945-01-612-3587
NSN 5910-01-535-3467
NSN 6320-00-809-5744
NSN 5895-00-342-9581
NSN 5915-01-428-6681
NSN 6135-01-010-0891
NSN 5930-01-477-1750