The NBR Nut O-ring replacement for P25A-441NOV from Dixon Valve & Coupling Co is essential for maintaining the integrity of your sealing applications. This high-quality O-ring is made from Nitrile Butadiene Rubber (NBR), providing excellent resistance to oils and fuels. It is designed to fit perfectly with the P25A-441NOV model, ensuring a secure seal that prevents leaks. With its durable construction, this O-ring is suitable for various industrial applications, making it a reliable choice for professionals looking to enhance the performance of their equipment.