568-004 BUNA 70 SQUARE CUT RINGS

Part number SH70004 is an AS568-004 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring built to an inside diameter of 0.07 in (1.78 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.21 in (5.33 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to many alcohols, water, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

Common environments for this compound include automotive, hydraulic and pneumatic systems, and construction equipment.

This item is sold individually under part number SH70004. Nominal inside diameter is listed as 5/64 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.