The Freudenberg-NOK 75114388 O-ring measures 1.287 inches in outer diameter and 0.210 inches in cross-section, made from high-quality NBR material. This O-ring is designed for reliable sealing in various applications, providing excellent resistance to oils and chemicals. Its precise dimensions ensure a snug fit, preventing leaks and maintaining system integrity. Ideal for use in hydraulic and pneumatic systems, this O-ring meets industry standards for performance and durability, making it a dependable choice for engineers and technicians.