The AS568-109 SIMRIZ Z7257 O-ring features a 5/16" inner diameter, a 1/2" outer diameter, and a thickness of 3/32". Manufactured by Freudenberg-NOK, this O-ring is made from high-quality SIMRIZ material, known for its excellent chemical and temperature resistance. This makes it suitable for a variety of sealing applications, particularly in hydraulic and pneumatic systems. The O-ring adheres to industry standards, ensuring compatibility and reliability. Its precise dimensions provide a secure seal, effectively preventing leaks and maintaining system performance.