Part number H70MD901 is an AS568-901 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 0.185 in (4.7 mm), a cross section of 0.056 in (1.42 mm), and an outside diameter of 0.297 in (7.54 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Expect good resistance to propane and butane, greases and lubricants, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or automotive brake fluid.
This o-ring is metal detectable for HACCP and foreign-body control programs. You will find this material specified across construction equipment, agricultural equipment, and fluid power.
Stocked as H70MD901 and sold individually. Review your operating media and conditions against this specification before installation.
Description -901 BLACK BUNA 70D O-RING
Actual Cross Section 0.056 inch (1.42 mm)
Actual Inside Diameter 0.185 inch (4.7 mm)
Actual Outside Diameter 0.297 inch (7.54 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable