Ordered as SH70236, this is an AS568-236 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring with an inside diameter of 3.234 in (82.14 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.512 in (89.2 mm). The quad-ring seats in a standard o-ring gland while offering improved dynamic performance.
The material holds up against petroleum-based oils, hydraulic fluids, and water. Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or automotive brake fluid.
Typical settings include hydraulic and pneumatic systems, general industrial maintenance, and agricultural equipment.
This item is sold individually under part number SH70236. Unit weight is approximately 3.8782 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 568-236 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 3.234 inch (82.14 mm)
Actual_OD 3.512 inch (89.2 mm)
ProductCode Description O-Rings - Square/Quad - Commodity