APG stocks the H50266, an AS568-266 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 7.984 in (202.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.262 in (209.85 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is specified for strong abrasion and tear resistance, reliable performance in both static and dynamic service. It resists water, petroleum-based oils, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or strong acids are present.
It sees regular use in fluid power, agricultural equipment, and automotive.
H50266 ships individually. Nominal inside diameter is listed as 8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description -266 BLACK BUNA 50D O-RING
uf_description2 0.139" (3.53MM) CS X 7.984" (202.79MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 7.984 inch (202.79 mm)
Actual_OD 8.262 inch (209.85 mm)
ProductCode Description O-Rings - Bulk - Commodity