The Freudenberg-NOK Z7257 O-Ring, conforming to AS568-346 standards, features an inner diameter of 4-1/8" and an outer diameter of 4-1/2", with a cross-section of 3/16". Made from high-performance materials, this O-Ring is designed for superior sealing in various applications, including hydraulic and pneumatic systems. Its robust construction ensures excellent resistance to oils, fuels, and chemicals, making it suitable for demanding environments. The Z7257 is a reliable choice for engineers seeking compliance with industry standards while ensuring optimal performance.
