568-283 BUNA 70 SQUARE CUT RINGS

Ordered as SH70283, this is an AS568-283 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring measuring an inside diameter of 16.955 in (430.66 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 17.233 in (437.72 mm). The quad-ring delivers lower friction and better sealing stability than a comparable round-section o-ring.

As a material, Buna-N (Nitrile) offers low compression set under sustained load and an economical choice for high-volume maintenance programs. The compound resists water, greases and lubricants, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in polar solvents or ketones.

Typical settings include agricultural equipment, fluid power, and hydraulic and pneumatic systems.

Reference part number SH70283 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.