3.5MM CS X 26MM ID BLACK BUNA 90D

H90M3.5X26 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 26 mm (1.024 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 33 mm (1.3 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to greases and lubricants, petroleum-based oils, and water. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, low compression set under sustained load. Continuous operating temperature is published at -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.

Maintenance and OEM teams specify it across automotive, general industrial maintenance, and construction equipment.

Stocked as H90M3.5X26 and sold individually. Unit weight is approximately 1.16 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.