Product Information Material: 316 Stainless Steel Male Thread: NPT Select a Product Part NumberMale Thread SizeTube OD 16-DTTM-161"1" 16-DTTM-123/4"1" 2-DTTM-21/8"-271/8" 12-DTTM-123/4"3/4" 4-DTTM-41/4"-181/4" 8-DTTM-81/2"1/2" 8-DTTM-63/8"1/2" 12-DTTM-81/2"3/4"