ROUGH M/ CD FORGING FOR VALVE CONE, HW- 289. 92--, ITEM AS PER DRG. HW- 289. 92. F WITH MATL. HW19390 REV, ROUGH MACHINED FORGING FOR RING, HW- 169. 34. 1--, ITEM AS PER DRG. 31120202021. F WITH MATL. HW19390, ROUGH MACHINED FORGING FOR THREADED BUSH, HW-, 169. 34. 2-- ITEM AS PER DRG. 31120202022. F WITH MATL, ROUGH MACHINED FORGING FOR VALVE SPINDLE, 355. 34-- ITEM AS PER DRG. 21230525999 REV. 00 WITH