Part number H70325 is an AS568-325 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.475 in (37.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.895 in (48.13 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material holds up against petroleum-based oils, greases and lubricants, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.
Order part number H70325, sold individually. Unit weight is approximately 3.6675 g. Check the compound against your process media, pressure and temperature before committing to a design.
Description -325 BLACK BUNA 70D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 1.475 inch (37.47 mm)
Actual Outside Diameter 1.895 inch (48.13 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity