This o-ring is supplied in AS568-451 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 10.975 in (278.77 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 11.525 in (292.74 mm), catalogued under part number H70451. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
It resists greases and lubricants, water, and propane and butane. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or polar solvents.
You will find this material specified across hydraulic and pneumatic systems, automotive, and general industrial maintenance.
H70451 ships individually. Unit weight is approximately 41.8 g and nominal inside diameter is listed as 11 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description -451 BLACK BUNA 70D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 10.975 inch (278.77 mm)
Actual Outside Diameter 11.525 inch (292.74 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity