780455 QUICK COUPLER (331020V) REFERENCE 7 ONLY // QUICK COUPLER INLET ON GUN NORTHSTAR SP1/WH3

THIS ITEM SHOULD BE A 3/8" QUICK COUPLER WITH 3/8 INCH NPT THREADS TO THREAD INTO THE INLET OF THE GUN.  SPRAYMART HAS THESE WE SHOULD HAVE ON THE SHELF SOME WHERE.