.250" C/S (1/4" ACTUAL) (6.35 MM)

This o-ring cord stock is supplied in black Buna-N (Nitrile) 90 Shore A built to a cross section of 0.25 in (6.35 mm), catalogued under part number 0284H250. It supports field repair of oversized or non-standard sealing grooves without a special tooling charge.

Buna-N (Nitrile) offers low compression set under sustained load, reliable performance in both static and dynamic service. The compound resists many alcohols, hydraulic fluids, and propane and butane.

It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and fluid power.

Reference part number 0284H250 when ordering; the item is sold by the foot. 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.