Buna 70-333-Black-Pk50

Ordered as SB-H70333-50, this is an AS568-333 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.475 in (62.87 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.895 in (73.53 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Additional detail on this item: 2.875IDX2.5"ODX.1875"CS.

It resists water, petroleum-based oils, and hydraulic fluids. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or polar solvents.

Maintenance and OEM teams specify it across agricultural equipment, fluid power, and general industrial maintenance.

This item is sold by the bag under part number SB-H70333-50. Nominal inside diameter is listed as 2 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.