Product Information Male Thread: NPTF Select a Product Part NumberMaterialMale Thread SizeBody SizeLength 1EM1-BBrass1/8"-271/8"1.15" (29.2mm) 1EM1-S303 Stainless Steel1/8"-271/8" 2EM2-BBrass1/4"-181/4" 2EM2-S303 Stainless Steel1/4"-181/4" 3EM3-BBrass3/8"-183/8" 3EM3-S303 Stainless Steel3/8"-183/8" 4EM4-BBrass1/2"-141/2" 4EM4-S303 Stainless Steel1/2"-141/2" 6EM6-BBrass3/4"-143/4" 6EM6-S303 Stainless Steel3/4"-143/4" 8EM8-BBrass1"- 11-1/21" 8EM8-S303 Stainless Steel1"- 11-1/21"