Q-050 BUNA 70 Q RING

The QH70050 is an AS568-050 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring measuring an inside diameter of 5.239 in (133.07 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 5.379 in (136.63 mm). This quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

This material stands up to many alcohols, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across general industrial maintenance, agricultural equipment, and automotive.

This item is sold individually under part number QH70050. Unit weight is approximately 1.3061 g and nominal inside diameter is listed as 5 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.