7MM CS X 155MM ID BLACK BUNA 70D

Ordered as H7X155, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 155 mm (6.102 in), a cross section of 7 mm (0.276 in), and an outside diameter of 169 mm (6.65 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The compound resists propane and butane, petroleum-based oils, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and low compression set under sustained load. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

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

Stocked as H7X155 and sold individually. Unit weight is approximately 23.961 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.