-258 BLACK BUNA 70D O-RING

The H70MD258 is an AS568-258 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 5.984 in (151.99 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 6.262 in (159.05 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, water, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in strong acids or ketones.

This item is metal detectable for HACCP and foreign-body control programs. It sees regular use in general industrial maintenance, agricultural equipment, and hydraulic and pneumatic systems.

Reference part number H70MD258 when ordering; the item is sold individually. Nominal inside diameter is listed as 6 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.