Q-435 BUNA 70 Q RING

QH70435 is an AS568-435 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring with an inside diameter of 5.725 in (145.42 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.275 in (159.39 mm). In service, this quad-ring delivers lower friction and better sealing stability than a comparable round-section o-ring.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Expect good resistance to greases and lubricants, water, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or automotive brake fluid are present.

Common environments for this compound include agricultural equipment, hydraulic and pneumatic systems, and automotive.

This item is sold individually under part number QH70435. Unit weight is approximately 24.7 g and nominal inside diameter is listed as 5 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.