Product Information Material: 316 Stainless Steel Male Thread: NPT Select a Product Part NumberMale Thread SizeTube OD 12-DMC-81/2"-143/4" 10-DMC-81/2"-145/8" 12-DMC-123/4"3/4" 4-DMC-81/2"-141/4" 12-DMC-161"3/4" 16-DMC-161"1" 16-DMC-123/4"1" 4-DMC-63/8"-181/4" 2-DMC-41/4"-181/8" 8-DMC-63/8"-181/2" 4-DMC-21/8"-271/4" 6-DMC-63/8"-183/8" 6-DMC-81/2"-143/8" 6-DMC-41/4"-183/8" 4-DMC-41/4"-181/4" 8-DMC-41/4"-181/2" 8-DMC-81/2"-141/2" 2-DMC-21/8"-271/8"