These A/C Male weld fittings were designed for the installation of Stainless Steel Tubing, with silver soldering or welding, where room is a issue and for a cleaner installation from compressor, condenser, evaporator, etc. These fittings have the threads on the outside of the part.
P/N 15050 -6 Male O'ring to 5/16" tube $12.95
P/N 15060 -8 Male O'ring to 3/8" tube $12.95
P/N 15070 -10 Male O'ring to 1/2" tube $13.95