Buna 70-236-Black-Pk3

Ordered as SB-H70236-3, this is an AS568-236 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 3.234 in (82.14 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.512 in (89.2 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint. Additional detail on this item: 3.5IDX3.25"ODX.125"CS.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. This material stands up to water, many alcohols, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across fluid power, construction equipment, and general industrial maintenance.

Reference part number SB-H70236-3 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 3 1/4 inch. 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.