.375" C/S (3/8") (9.53 MM)

This o-ring cord stock is supplied in black Buna-N (Nitrile) 50 Shore A measuring a cross section of 0.375 in (9.53 mm), catalogued under part number 0284S375. It supports field repair of oversized or non-standard sealing grooves without a special tooling charge.

Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. Expect good resistance to many alcohols, petroleum-based oils, and propane and butane. It should not be specified for service in ozone and direct sunlight or ketones.

You will find this material specified across general industrial maintenance, automotive, and fluid power.

Stocked as 0284S375 and sold by the foot. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.