Q-118 BUNA 70 Q RING

QH70118 is an AS568-118 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring with an inside diameter of 0.862 in (21.89 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.068 in (27.13 mm). In service, this quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

Expect good resistance to petroleum-based oils, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or automotive brake fluid.

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and agricultural equipment.

Reference part number QH70118 when ordering; the item is sold individually. Unit weight is approximately 0.547 g and nominal inside diameter is listed as 7/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.