The Freudenberg-NOK AS568-340 O-Ring features a 3-3/8" inner diameter and a 3-3/4" outer diameter, with a thickness of 3/16". Constructed from FDA-compliant NBR (BUNA) 70 material, this black O-Ring is ideal for food and pharmaceutical applications. Its robust design ensures excellent sealing performance against various fluids, making it suitable for use in pumps, valves, and other equipment where hygiene is critical. This O-Ring meets industry standards for safety and reliability, ensuring compliance in sensitive environments.