Seal Washer Nitrile Rubber O Ring Seal, 5.3mm Wire Diameter O-Ring Oil Seals Washer, ID 15-150mm O Rings Gaskets, Black NBR Rubber O Ring Gasket Lip (Size : 15x5.3mm-10pcs): Amazon.com: Industrial &
12pcs 42x5 42*5 45x5 45*5 48x5 48*5 50x5 50*
5 pieces O-ring 45 mm x 55 mm x 5 mm | silicone SI sealing