Image NT-Series Japanese Hydraulic Female Threaded Coupler Markets Agriculture & Forestry Product Options Part Number Length Maximum OD Coupler Size Body Size Thread Thread Size Female Thread Female Thread Size Material 2NTBTF2 1.99" 1.12" 1/4" 1/4" BSPT 1/4"-19 BSPT 1/4" Steel 3NTBTF3 2.37" 1.32" 3/8" 3/8" BSPT 3/8"-19 BSPT 3/8" Steel