The AS568-129 SIMRIZ Z7257 seal features a 1-9/16" inner diameter and a 1-3/4" outer diameter, with a thickness of 3/32". This product, from Freudenberg-NOK, is crafted for high durability and chemical resistance, making it suitable for a variety of industrial applications. The SIMRIZ material ensures excellent performance under pressure and temperature variations, complying with industry standards for reliability. Ideal for hydraulic and pneumatic systems, the Z7257 provides a secure fit and long-lasting performance.