This o-ring is supplied in AS568-008 black Buna-N (Nitrile) 90 Shore A with an inside diameter of 0.176 in (4.47 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.316 in (8.03 mm), catalogued under part number H90008. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. The material holds up against propane and butane, water, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ketones.
Maintenance and OEM teams specify it across construction equipment, general industrial maintenance, and automotive.
Stocked as H90008 and sold individually. Unit weight is approximately 0.0652 g and nominal inside diameter is listed as 3/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -008 BLACK BUNA 90D O-RING
uf_description2 0.070" (1.78MM) CS X 0.176" (4.47MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 0.176 inch (4.47 mm)
Actual_OD 0.316 inch (8.03 mm)
ProductCode Description O-Rings - Bulk - Commodity