568-369 BUNA 70 SQUARE CUT RINGS

Ordered as SH70369, this is an AS568-369 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring measuring an inside diameter of 7.975 in (202.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.395 in (213.23 mm). The quad-ring provides a dual sealing band on each contact face for improved reliability.

The compound resists water, greases and lubricants, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) offers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ketones will shorten service life.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, automotive, and fluid power.

This item is sold individually under part number SH70369. Nominal inside diameter is listed as 8 inch. 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.