The 1223-1616 Male Pipe Swivel NPTF 1″ – 11.5 x 1″ is a durable hydraulic fitting designed for secure and leak-free connections. Featuring a 1″ male pipe thread with NPTF (National Pipe Tapered Fuel) threading, it ensures a tight seal under high pressure. Ideal for fluid transfer systems in industrial and heavy-duty applications where reliable and flexible connections are needed.