3MM CS X 25.3MM ID BLACK BUNA 90D

Part number H90M3X25.3 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 25.3 mm (0.996 in), a cross section of 3 mm (0.118 in), and an outside diameter of 31.3 mm (1.23 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material holds up against many alcohols, water, and petroleum-based oils. 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 polar solvents or ketones are present.

Maintenance and OEM teams specify it across automotive, hydraulic and pneumatic systems, and fluid power.

Stocked as H90M3X25.3 and sold individually. Check the compound against your process media, pressure and temperature before committing to a design.