Product Information Material: Zinc Plated Steel Female Thread: NPTF, NPSM Select a Product Part NumberFemale Thread SizeWorking Pressure 1405-12-83/4"-14, 1/2"-142500 PSI 1405-24-241-1/2"- 11-1/2, 1-1/2"- 11-1/21000 PSI 1405-6-43/8"-18, 1/4"-184000 PSI 1405-2-21/8"-27, 1/8"-275000 PSI 1405-6-83/8"-18, 1/2"-144000 PSI 1405-16-161"- 11-1/2, 1"- 11-1/22000 PSI 1405-20-201-1/4"- 11-1/2, 1-1/4"- 11-1/21150 PSI 1405-8-81/2"-14, 1/2"-143000 PSI 1405-6-63/8"-18, 3/8"-184000 PSI 1405-4-41/4"-18, 1/4"-184500 PSI 1405-32-322"- 11-1/2, 2"- 11-1/21000 PSI 1405-12-123/4"-14, 3/4"-142500 PSI