Size and thread type: -16 (1") NPT Female Swivel for -16 (1") Hydraulic Hose
Dash and Tube Size: -16 and 1" Industry Nominal Thread Size: 1-11 1/2" Actual Measurement of Male Thread OD: 1 5/16" or 1.32" Actual Measurement of Female Thread ID: 1 1/4" or 1.24"