-385 BLACK BUNA 70D O-RING

H70MD385 is an AS568-385 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 15.955 in (405.26 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 16.375 in (415.93 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. This material stands up to water, greases and lubricants, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

This item is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across agricultural equipment, fluid power, and automotive.

H70MD385 ships individually. Nominal inside diameter is listed as 16 inch. Check the compound against your process media, pressure and temperature before committing to a design.