.210" C/S (3/16" NOMINAL) (5.33 MM)

Part number 0284S210 is a black Buna-N (Nitrile) 50 Shore A O-Ring Cord Stock with a cross section of 0.21 in (5.33 mm). An o-ring cord stock supports field repair of oversized or non-standard sealing grooves without a special tooling charge.

This material stands up to many alcohols, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It should not be specified for service in polar solvents or ketones.

Maintenance and OEM teams specify it across automotive, hydraulic and pneumatic systems, and agricultural equipment.

Stocked as 0284S210 and sold by the foot. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.