The AS568-309 SIMRIZ SZ134 is a high-quality seal with a 7/16" inner diameter and a 13/16" outer diameter, featuring a thickness of 3/16". This product from Freudenberg-NOK is crafted from durable SIMRIZ material, known for its excellent resistance to chemicals and high temperatures. It complies with industry standards, ensuring compatibility with a wide range of hydraulic and pneumatic applications. The AS568-309 SZ134 is designed for reliable performance and longevity, making it an ideal choice for engineers and manufacturers looking for dependable sealing solutions.