major overhauling of boiler feed pump ( fk6d30 ) cartridge , overhauling of bfp cartridge ( service ) , impeller ( material ) , impeller wear ring ( eye ) ( material ) , ring section wear ring ( material ) , impeller wear ring ( neck ) ( material ) , diffuser wear ring ( material ) , thrust pads ( material ) , balance drum nut ( material ) , balance drum lock washer ( material ) , journal bearing ( in two halves ) ( material ) , o ring and back up ring ( material ) , balance drum restriction bush ( material ) , locking screw ( material ) , dowel pins ( material ) , thrust collar ( material ) , thrust collar nut & washer ( material ) , coupling nut ( material ) , oil guard for de & nde ( material ) , oil thrower ring for de & nde ( material ) , thrust brg . split oil seal ring ( material ) , water jacket for de & nde ( material ) , spring disc ( material ) , balance drum ( material ) , impeller abutment ring ( material ) , shaft ( material ) , mechanical seal ( material ) , nde bearing housing end cover ( material ) , mechanical seal housing ( material ) , diffuser ( material )