Ordered as SH70005, this is an AS568-005 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring built to an inside diameter of 0.101 in (2.57 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.241 in (6.12 mm). The quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.
Expect good resistance to propane and butane, petroleum-based oils, and hydraulic fluids. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
Maintenance and OEM teams specify it across fluid power, construction equipment, and hydraulic and pneumatic systems.
Order part number SH70005, sold individually. Nominal inside diameter is listed as 3/32 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-005 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 0.101 inch (2.57 mm)
Actual_OD 0.241 inch (6.12 mm)
ProductCode Description O-Rings - Square/Quad - Commodity