Ordered as H90208, this is an AS568-208 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 0.609 in (15.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.887 in (22.53 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to petroleum-based oils, propane and butane, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across agricultural equipment, general industrial maintenance, and automotive.
This item is sold individually under part number H90208. Unit weight is approximately 0.8235 g and nominal inside diameter is listed as 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description -208 BLACK BUNA 90D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 0.609 inch (15.47 mm)
Actual Outside Diameter 0.887 inch (22.53 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity