2MM CS X 53MM ID BLACK BUNA 70D

Ordered as H2X53, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 53 mm (2.087 in), a cross section of 2 mm (0.079 in), and an outside diameter of 57 mm (2.24 in). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) delivers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, propane and butane, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

Maintenance and OEM teams specify it across fluid power, agricultural equipment, and general industrial maintenance.

Order part number H2X53, sold individually. Unit weight is approximately 0.6555 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.