568-135 BUNA 70 SQUARE CUT RINGS

This quad-ring is supplied in AS568-135 black Buna-N (Nitrile) 70 Shore A square profile supplied with an inside diameter of 1.925 in (48.9 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.131 in (54.13 mm), catalogued under part number SH70135. It delivers lower friction and better sealing stability than a comparable round-section o-ring.

This material stands up to petroleum-based oils, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, general industrial maintenance, and automotive.

Reference part number SH70135 when ordering; the item is sold individually. Unit weight is approximately 1.2682 g and nominal inside diameter is listed as 1 15/16 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.