APG stocks the QH70163, an AS568-163 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring supplied with an inside diameter of 5.987 in (152.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.193 in (157.3 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.
As a material, Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The material holds up against propane and butane, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or automotive brake fluid are present.
Typical settings include agricultural equipment, hydraulic and pneumatic systems, and automotive.
This item is sold individually under part number QH70163. Unit weight is approximately 3.1386 g and nominal inside diameter is listed as 6 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description Q-163 BUNA 70 Q RING
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 5.987 inch (152.07 mm)
Actual_OD 6.193 inch (157.3 mm)
ProductCode Description O-Rings - Square/Quad - Commodity