2 1/2 inch NPT x 6 inch length schedule 40 TBE Galvanized

2 1/2 inch NPT x 6 inch length Pipe Nipple, Threaded Both Ends, Welded Schedule 40 304 stainless steel pipe.

2 1/2 inch NPT x 6 inch length Pipe Nipple, Threaded Both Ends, Welded Schedule 40 316 Stainless Steel pipe.

2-1/2 inch NPT X 6 inch length schedule 40 BRASS NIPPLE

2 1/2 inch NPT x 6 inch length Pipe Nipple, Threaded Both Ends, Welded Schedule 40 black pipe (carbon steel).

2 1/2 inch NPT x 6 inch length Pipe Nipple, Threaded Both Ends, Extruded Schedule 40 Aluminum pipe.