Othmro O-Ring Round Red 43 64inch ID 53 64inch OD 5 64inch Width Silicone O-Ring Metric Buna-N Sealing Gasket -Pack of 10-

Circular Cross-Section ?They are circular in shape, round in cross-section. ?Designed for use in a wide variety of sealing applications. ?Commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. Silicone Rubber O-Ring ?Noted for their ability to be used over a wide temperature range and for excellent resistance to ozone, weathering and aging. ?Standard silicones are resistant to water (to 100°C), aliphatic engine and transmission oils and animal and plant oils and fats. ?Silicones are generally not resistant to fuels, aromatic mineral oils, steam (short term to 120°C is possible), silicone oils and greases, acids or alkalis.