4.5MM (.177) BUNA-N O RING CORD 90 DURO

This o-ring cord stock is supplied in black Buna-N (Nitrile) 90 Shore A built to a cross section of 0.177 in (4.5 mm), catalogued under part number 0M284BH4.5. It supports field repair of oversized or non-standard sealing grooves without a special tooling charge.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. The material holds up against propane and butane, many alcohols, and greases and lubricants. It should not be specified for service in strong acids or polar solvents.

It sees regular use in fluid power, automotive, and agricultural equipment.

Order part number 0M284BH4.5, sold by the foot. Application requirements vary, so validate compatibility with your process conditions prior to installation.