Comparison : Item # WA 56517 00, Hydraulic Coupling Sockets, Series WA 56000/HP3, Thread-to-Connect 10,000 psi
Item # WA 56527 00, Hydraulic Coupling Sockets, Series WA 56000/HP3, Thread-to-Connect 10,000 psi
Item # HP3SB37M, Hydraulic Coupling Sockets, Series WA 56000/HP3, Thread-to-Connect 10,000 psi