
USA Sealing ZUSAH2X50 Buna-N O-Ring, 70A Durometer, Black, Round Profile, 2 mm Cross Section, 50 mm ID, 54 mm OD, Pack of 25, Buna, Nitrile, NBR 
USA Sealing ZUSAV70033 Viton O-Ring, 75A Durometer, Black, Round Profile, Dash 033, 0.070 in Cross Section, 1.989 in ID, 2.129 in OD, Pack of 5, FKM, Fluoroelastomer, FPM