3.55MM CS X 90MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 90 mm (3.543 in), a cross section of 3.55 mm (0.14 in), and an outside diameter of 97.1 mm (3.82 in), catalogued under part number H3.55X90. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. It resists hydraulic fluids, greases and lubricants, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong acids or ketones call for a different compound.

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

H3.55X90 ships individually. Unit weight is approximately 3.6005 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.