The SEALFAST 1 5/8" M-ORB X 1 1/4" F-NPSM SWIVEL is a reliable component for fluid transfer in hydraulic systems. Featuring a male O-ring boss (M-ORB) and a female National Pipe Straight Mechanical (F-NPSM) connection, it provides a secure, leak-proof fit. This swivel is constructed from high-quality materials, designed to withstand high pressure and temperature, making it ideal for various applications. With a diameter of 1 5/8", it ensures compatibility with multiple systems and meets industry standards for performance and reliability.