-448 BLACK BUNA 70D O-RING

H70MD448 is an AS568-448 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 9.475 in (240.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.025 in (254.64 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, low compression set under sustained load. This material stands up to many alcohols, water, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or ketones.

This o-ring is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across general industrial maintenance, construction equipment, and hydraulic and pneumatic systems.

Reference part number H70MD448 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.