Ordered as H50140, this is an AS568-140 black Buna-N (Nitrile) 50 Shore A O-Ring measuring an inside diameter of 2.237 in (56.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.443 in (62.05 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Expect good resistance to many alcohols, hydraulic fluids, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
Common environments for this compound include general industrial maintenance, hydraulic and pneumatic systems, and fluid power.
Reference part number H50140 when ordering; the item is sold individually. Unit weight is approximately 0.0013 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -140 BLACK BUNA 50D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.237 inch (56.82 mm)
Actual Outside Diameter 2.443 inch (62.05 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity