-354 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-354 black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 5.1 in (129.54 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.52 in (140.21 mm), catalogued under part number H70354. It creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against hydraulic fluids, water, and petroleum-based oils. Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or ozone and direct sunlight.

Maintenance and OEM teams specify it across automotive, construction equipment, and agricultural equipment.

This item is sold individually under part number H70354. Unit weight is approximately 11.754 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.