Ordered as H50144, this is an AS568-144 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 2.487 in (63.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.693 in (68.4 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material holds up against greases and lubricants, petroleum-based oils, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
It sees regular use in general industrial maintenance, fluid power, and automotive.
Stocked as H50144 and sold individually. Nominal inside diameter is listed as 2 1/2 inch. 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.
Description -144 BLACK BUNA 50D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.487 inch (63.17 mm)
Actual Outside Diameter 2.693 inch (68.4 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity