Supply of Valve Cone Hw-169.92 -- Rmcd Casting As Per Drg. 31230425906 Rev. 03 With Matl. Hw19581 Rev. 04 H Q3 Rough Mcd Casting For Valve Cone Hw- 169.35 --Item As Per Drg. 31120227901 Rev. 02 With Matl. Hw195 Q3 Rough Mcd Casting For Valve Cone Hw-169.44 -- Item As Per Drg. 21132027901 Rev. 05 With Matl. Hw19 Q3