568-113 BUNA 70 SQUARE CUT RINGS

This square-cut ring is supplied in AS568-113 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 0.549 in (13.94 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.755 in (19.18 mm), catalogued under part number SH70113. It presents a flat rectangular section that cannot roll or twist in its groove, making it a dependable static seal.

Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The material holds up against petroleum-based oils, water, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones. The profile itself contributes a rectangular section that will not roll in the groove and simple lathe-cut manufacture at low tooling cost. Note that a square section is less suited to high-speed rotary service, where the larger contact area raises friction and heat.

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

Order part number SH70113, sold individually. Unit weight is approximately 0.4083 g and nominal inside diameter is listed as 9/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.