Q-048 BUNA 70 Q RING

This quad-ring is supplied in AS568-048 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 4.739 in (120.37 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.879 in (123.93 mm), catalogued under part number QH70048. It seats in a standard o-ring gland while offering improved dynamic performance.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. This material stands up to greases and lubricants, propane and butane, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). The profile itself contributes two sealing bands per contact face rather than one and a parting line located away from the sealing surface.

It sees regular use in general industrial maintenance, construction equipment, and fluid power.

This item is sold individually under part number QH70048. Unit weight is approximately 1.1963 g and nominal inside diameter is listed as 4 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.