1.9MM CS X 6.8MM ID BLACK BUNA 90D

APG stocks the H90M1.9X6.8, a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 6.8 mm (0.268 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 10.6 mm (0.42 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. The catalog record notes: Metric O-RING, JIS P7.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The compound resists petroleum-based oils, propane and butane, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ozone and direct sunlight or strong acids are present.

Common environments for this compound include general industrial maintenance, fluid power, and agricultural equipment.

Stocked as H90M1.9X6.8 and sold individually. Unit weight is approximately 0.1093 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.