Q-208 BUNA 70 Q RING

APG stocks the QH70208, an AS568-208 black Buna-N (Nitrile) 70 Shore A Quad-Ring with an inside diameter of 0.609 in (15.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.887 in (22.53 mm). A quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

Expect good resistance to many alcohols, petroleum-based oils, and greases and lubricants. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and low compression set under sustained load. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. The profile itself contributes a parting line located away from the sealing surface and two sealing bands per contact face rather than one.

Typical settings include automotive, general industrial maintenance, and agricultural equipment.

Order part number QH70208, sold individually. Unit weight is approximately 0.7081 g. Review your operating media and conditions against this specification before installation.