The MB Hex Socket O-Ring Boss Plug is a high-performance steel fitting designed for sealing applications. Featuring a Viton O-ring, this plug ensures a leak-proof seal in hydraulic systems. Its hex socket design allows for easy installation and removal, making it user-friendly. This plug is compatible with O-ring boss (ORB) connections, providing a secure fit. Constructed from durable steel, it withstands high pressure and temperature, making it ideal for demanding environments. This fitting meets industry standards for quality and reliability.