The Freudenberg-NOK SIMRIZ SZ501 O-Ring is designed to meet AS568-321 standards, featuring a 1-3/16" inner diameter and a 1-9/16" outer diameter with a 3/16" cross-section. Constructed from high-performance SIMRIZ material, this O-Ring provides excellent resistance to chemicals and high temperatures, making it suitable for various industrial applications. Its reliable sealing capabilities help prevent leaks and enhance system efficiency. The SZ501 is an ideal choice for engineers seeking quality and durability in sealing solutions.