Product Information Material: Zinc Plated Steel Male Thread: SAE O-ring Boss, JIC Select a Product Part NumberMale Thread SizeWorking Pressure 1238-08-063/4"-16, 9/16"-184500 PSI 1238-12-101-1/16"-12, 7/8"-143500 PSI 1238-10-087/8"-14, 3/4"-163500 PSI 1238-04-047/16"-20, 7/16"-205000 PSI 1238-10-127/8"-14, 1-1/16"-123500 PSI 1238-06-049/16"-18, 7/16"-205000 PSI 1238-16-121-5/16"-16, 1-1/16"-123000 PSI 1238-12-121-1/16"-12, 1-1/16"-123500 PSI 1238-06-069/16"-18, 9/16"-185000 PSI 1238-08-103/4"-16, 7/8"-143500 PSI 1238-08-083/4"-16, 3/4"-164500 PSI 1238-24-241-7/8"-12, 1-7/8"-122000 PSI 1238-20-201-5/8"-12, 1-5/8"-122500 PSI 1238-04-067/16"-20, 9/16"-185000 PSI 1238-10-107/8"-14, 7/8"-143500 PSI 1238-16-161-5/16"-12, 1-5/16"-123000 PSI 1238-12-161-1/16"-12, 1-5/16"-123000 PSI 1238-20-161-5/8"-12, 1-5/16"-122500 PSI