Ordered as H70004, this is an AS568-004 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 0.07 in (1.78 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.21 in (5.33 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, strong abrasion and tear resistance. This material stands up to greases and lubricants, hydraulic fluids, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include agricultural equipment, general industrial maintenance, and construction equipment.
This item is sold individually under part number H70004. Unit weight is approximately 0.0338 g and nominal inside diameter is listed as 5/64 inch. Check the compound against your process media, pressure and temperature before committing to a design.
Description -004 BLACK BUNA 70D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 0.07 inch (1.78 mm)
Actual Outside Diameter 0.21 inch (5.33 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity