568-249 BUNA 70 SQUARE CUT RINGS

Part number SH70249 is an AS568-249 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring with an inside diameter of 4.859 in (123.42 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.137 in (130.48 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.

As a material, Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to propane and butane, petroleum-based oils, and hydraulic fluids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or ketones are present.

Maintenance and OEM teams specify it across construction equipment, automotive, and agricultural equipment.

SH70249 ships individually. Unit weight is approximately 4.856 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.