Q-027 BUNA 70 Q RING

Ordered as QH70027, this is an AS568-027 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring built to an inside diameter of 1.301 in (33.05 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.441 in (36.6 mm). The quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) delivers strong abrasion and tear resistance, low compression set under sustained load. The material holds up against petroleum-based oils, hydraulic fluids, and propane and butane. 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 agricultural equipment, construction equipment, and general industrial maintenance.

Stocked as QH70027 and sold individually. Unit weight is approximately 0.3469 g and nominal inside diameter is listed as 1 5/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.