Stuffing Box Barrel As Per Drawing No. Nfv/U/M-202.Material Of Construction: Astm A182 Gr. F304 , Stuffing Boxl. P. Nut As Per Drawing No. Nfv/U/M-203. Material Ofconstruction: Forged Steel Class 3 , Stuffing Box L. P. Insertas Per Drawing No. Nfv/U/M-205. Material Of Construction:Astm A182 Gr. F304 , Stuffing Box H. P. Nut As Per Drawingno. Nfv/U/M-179. Material Of Construction: Forged Steelclass 3 Quantity: 24