Overview Additional Info Reviews Product Description Union, Union, NPT End, 316 Stainless Steel Threaded unions are used for general-purpose joining of piping systems, and can make and break repeatedly. Product Additional Info Additional Tech Info Product Documents Product Videos Custom Field Product Reviews Write a Review Write a Review × Southwest Stainless Union, Union, NPT End, 316 Stainless Steel Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *