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AS568-315 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.787 in (19.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.207 in (30.66 mm). Rated for continuous service from -40°F (-40°C) to 250°F (121.1°C).

AS568-352 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 4.85 in (123.19 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.27 in (133.86 mm). Rated for continuous service from -40°F (-40°C) to 250°F (121.1°C).

AS568-356 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 5.35 in (135.89 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.77 in (146.56 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

AS568-447 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 8.975 in (227.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 9.525 in (241.94 mm). Strong abrasion and tear resistance.

AS568-106 black Neoprene (Chloroprene) 70 Shore A O-Ring with an inside diameter of 0.174 in (4.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.38 in (9.65 mm). Rated for continuous service from -40°F (-40°C) to 250°F (121.1°C).

Black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.5 mm (0.098 in), a cross section of 1 mm (0.039 in), and an outside diameter of 4.5 mm (0.18 in). Rated for continuous service from -40°F (-40°C) to 250°F (121.1°C).

Black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 12 mm (0.472 in), a cross section of 1 mm (0.039 in), and an outside diameter of 14 mm (0.55 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

AS568-014 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 0.489 in (12.42 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.629 in (15.98 mm). Resists hydraulic fluids and water.

AS568-222 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.484 in (37.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.762 in (44.75 mm). Stands up to water and petroleum-based oils.