Image A-Series Pneumatic Male Threaded Coupler Markets Maintenance Repair Operations (MRO) Jump to Section Product Options Related Products Product Options Part Number Length Maximum OD Body Size Thread Thread Size Pipe Thread Material 1AM1-B 1.75" 0.64" 1/8" NPTF 1/8" NPT / NPTF Brass 2AM1-B 2.12" 0.77" 1/4" NPTF 1/8" NPT / NPTF Brass 2AM2-B 2.23" 0.77" 1/4" NPTF 1/4" NPT / NPTF Brass Related Products Image A-Series Pneumatic Female Threaded Coupler Image A-Series Pneumatic Female Threaded Plug Image A-Series Pneumatic Male Threaded Plug Image A-Series Pneumatic Reusable Barb Coupler