“Buna Cord” Watertight Replacement Gaskets

The Buna-N nitrile (NBR) rubber, also known as “Buna cord,” is a high-performance replacement gasket for watertight applications. This stock item features a 1/4″ diameter with a high-precision tolerance of +/- .012″ (RMA standard) and operates within a wide temperature range of -40°F to +250°F. Manufactured to ASTM D2000 standards, it offers exceptional resistance to corrosion and petroleum-based substances, with a tensile strength of 1450 psi for reliable durability. Flat red rubber and neoprene rubber options are available for special orders. Proudly made in the USA, this gasket delivers superior quality and performance for demanding applications.

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