Procurement Of Exciter Coupling Bolt And Complete Assy Of Float Valvefor Seal Oil And Stator Water System , Springs For Governing System , Spraynozzles And Ipcv Seat , Generator Bearing Shell Assembly , Thyristor Stackfor Excitation System For Ntpc Unchah , Thyristor Stack 6Qg12 , General:Bearing Shell Assembly Ee , Valve Seat Drg:01132101000 / 02 , Spray Nozzle ( 6 . 5Mm ) :R1 / 2:34Lpm@20Bar , Spray Nozzle ( 5 . 5Mm ) :R1 / 2:22 . 4Lpm@45Bar , Spray Nozzle ( 4 . 8Mm ) :R1 / 4:15 . 6Lpm@45Bar , Spray Nozzle ( 3 . 2Mm ) :R1 / 4:6 . 52Lpm@20Bar , Threaded Ring Drg:01120201000 / 04 , Pin Drg:01120201000 / 08 , Threaded Ring Drg:01120202000 / 03 , Pin Drg:01120202000 / 04 , Follow-Up Piston Assy 01142301000 / 97 , Bellow 60 I / I Drg:01142101000 / 31 , Follow-Up Piston Spring 301142305000 / 105 , Follow-Up Piston Spring 301142305000 / 106 , Bellow Assembly 01142105000 / 149 , Bellow 60 I / I 01142105000 / 08 , Adjusting Screw Drg:01140201000 / 35 , Hex Lock Nut M33x1 . 5 Drg:01140201000 / 36 , Threaded Bush Drg:01140201000 / 37 , Tension Spring 3 . 2X18 Drg:01142705000 / 25 , Tension Spring 3 . 2X18 Drg:01142705000 / 26 , Tension Spring 3 . 2X18 Drg01142102000 / 137 , Bellows Assembly Drg:01231601000 / 5 , Bellows Assembly Drg:01231601000 / 7 , Float V / V 25Nb So Tank Dn-9149320100100 , Float Valv Nb 50 N16 Bhel 01493201002007 , Sot Float Valve Cs Np1 . 6 Nb50 P . No . 009 , Sot Float Valve Cs Np1 . 6 Nb50 Pno . 008 , Exciter:Coupling Bolt , Drg#11430901004C / 1 , Fitting Bush , Drg#11430901004C / 3 , Coupling Nut M27 For Generator , Coupling Bolt 114309010080002 , Coupling Sleeve Bhel Pn . 1143090100800003 , Coupling Nut M30 4-143-09-01008