brass nut,ferrule nut 1,material:ss316,brass&copper 2,pressure:2000psi to 6000psi 3,temperature:normal or medium Application 1)Hydraulic system 2)Pneumatic system 3)Pharmaceutical fittings 4)Air brake fittings 5)Gas fittings 6)Refrigerant fittings If this product suitable for you, please don't hesitate to contact me. brass nut,ferrule nut,short nut