Part number H70MD410 is an AS568-410 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.6 in (66.04 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 3.15 in (80.01 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
This material stands up to petroleum-based oils, water, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.
This item is metal detectable for HACCP and foreign-body control programs. Typical settings include agricultural equipment, automotive, and hydraulic and pneumatic systems.
This item is sold individually under part number H70MD410. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -410 BLACK BUNA 70D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 2.6 inch (66.04 mm)
Actual Outside Diameter 3.15 inch (80.01 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable