4MM CS X 47MM ID BLACK BUNA 70D

Ordered as H4X47, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 47 mm (1.85 in), a cross section of 4 mm (0.157 in), and an outside diameter of 55 mm (2.17 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material holds up against many alcohols, propane and butane, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

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

Stocked as H4X47 and sold individually. Unit weight is approximately 2.459 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.