Eaton Hansen 4300 Brass 3000/4000/5000/6000 Series Industrial Interchange, Coupler Socket, 3/8" Body Size x 3/8" NPT Male

Eaton Hansen 1100 Brass 1000/400/500 Series, Industrial Interchange, Coupler Socket, 1/4" Body Size x 1/4" NPT Male

Eaton Hansen 4200 Brass 3000/4000/5000/6000 Series Industrial Interchange, Coupler Socket, 3/8" Body Size x 3/8" NPT Female

John N. Hansen: Chess 4, Black