.275" C/S (1/4" NOMINAL) (6.99 MM)

0284S275 is a black Buna-N (Nitrile) 50 Shore A O-Ring Cord Stock supplied with a cross section of 0.275 in (6.99 mm). In service, this o-ring cord stock eliminates long lead times on large-diameter custom rings.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material holds up against greases and lubricants, water, and propane and butane. Applications involving automotive brake fluid or strong acids call for a different compound.

Typical settings include agricultural equipment, construction equipment, and automotive.

This item is sold by the foot under part number 0284S275. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.