8.4MM CS X 174.5MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A supplied with an inside diameter of 174.5 mm (6.87 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 191.3 mm (7.53 in), catalogued under part number H90M8.4X174.5. It creates a positive seal at flange, piston and rod interfaces without added hardware. Supplementary detail from the product record: Metric O-RING, JIS P175.

Expect good resistance to petroleum-based oils, propane and butane, and greases and lubricants. Buna-N (Nitrile) offers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or polar solvents.

You will find this material specified across agricultural equipment, construction equipment, and hydraulic and pneumatic systems.

Reference part number H90M8.4X174.5 when ordering; the item is sold individually. Unit weight is approximately 44.653 g. Review your operating media and conditions against this specification before installation.