568-114 BUNA 70 SQUARE CUT RINGS

This quad-ring is supplied in AS568-114 black Buna-N (Nitrile) 70 Shore A square profile built to an inside diameter of 0.612 in (15.54 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.818 in (20.78 mm), catalogued under part number SH70114. It delivers lower friction and better sealing stability than a comparable round-section o-ring.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. The material holds up against propane and butane, hydraulic fluids, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or ketones call for a different compound.

It sees regular use in fluid power, construction equipment, and general industrial maintenance.

Reference part number SH70114 when ordering; the item is sold individually. Unit weight is approximately 0.4452 g and nominal inside diameter is listed as 5/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.