3.5MM CS X 23.7MM ID BLACK BUNA 90D

Part number H90M3.5X23.7 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 23.7 mm (0.933 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 30.7 mm (1.21 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Source specification: Metric O-RING, JIS P24.

The material holds up against greases and lubricants, water, and propane and butane. Buna-N (Nitrile) is valued for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ketones or ozone and direct sunlight.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, construction equipment, and agricultural equipment.

Order part number H90M3.5X23.7, sold individually. Unit weight is approximately 1.144 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.