The Freudenberg-NOK SIMRIZ Z7257 is a high-quality sealing ring designed to meet AS568-172 specifications. With an inner diameter of 8-1/4 inches and an outer diameter of 8-7/16 inches, this 3/32-inch thick seal is engineered for durability and reliability in industrial applications. Constructed from advanced materials, the Z7257 offers excellent resistance to a variety of chemicals and temperature extremes, ensuring long-lasting performance. Its precise dimensions and robust design make it an ideal choice for engineers seeking dependable sealing solutions in hydraulic and pneumatic systems.