Procurement Of Viton O- Rings , O Ring 785X8: For Emergency Stop Valve Servomotor , Drg . No . 01140127000/028 For Tg 500 Mw , O Ring : 53X3 . 55 , For Hp Control Valve Servomotor , Drg . No . 01140127000/029 , For Tg 500 Mw , O-Ring Item No . 76 , Drg No . 01140405100 , For Ipcv Pre Control Valve , For 500Mw Unit , O Ring 50X3 , For Ip Control Valve , Drg . No . 01140405100/081 For Tg 500 Mw , O Ring : 94X3 , For Lp Bypass Control Valve Servomotor , Drg . No . 01230725000/092 For Tg 500 Mw , O Ring , 22X3 , Drg . No . 01140405100/100 For Ip Control Valve Of 500 Mw Tg , O-Ring Item No . 86 , Drg No . 01140205100 , For Hpcv Pre Control Valve , For 500Mw Unit , O Ring 19X2 . 65: Item No . 75 , Drg . No . 1140205100 , For Hpcv Pre Control Valve , For 500 Mw Unit , O Ring , 34X3 , For Hp Control Valve , Drg . No . 01140205100/079 , For Tg 500 Mw , O Ring : 67X3 . 55 , For Hp Control Valve , Drg . No . 01140205100/083 For Tg 500 Mw , O Ring : 190X5 . 3 , For Hp Control Valve , Drg . No . 01140227000/097 For Tg 500 Mw , O Ring : 430X5 . 3 , For Hp Control Valve , Drg . No . 01140227000/094 For Tg 500 Mw , O Ring 30X2 . 65 , Part No . 21 , Drg . No . 01145045000 , Of Governing System Protection Rack Assembly , Tg 500 Mw , Make : Bhel , O Ring 90X3 . 55 Part No . 27 , Drg . No . 01145045000 , Of Governing System Protection Rack Assembly , Tg 500 Mw , Make : Bhel , O Ring , 16X3 , Drg . No . 01140427000/099 For Hp Control Valve Of 500 Mw Tg , O-Ring ( 25X3 ) For Hyd . Speed Governor , Part No . 51 , Dro . No . 01142105000 For Bhel , O-Ring ( 71X3 ) For Hyd . Speed Governor , Part No . 57 , Dro . No . 01142105000 For Bhel , O-Ring ( 12X3 ) For Hyd . Speed Governor , Part No . 86 , Dro . No . 01142105000 For Bhel , O Ring 16X2 . 65 , Part No . 33 , Drg . No . 01142305000 , For Follow Up Piston For Hyd . Amplifier , Tg 500 Mw , Make : Bhel , O Ring : 100X4 , For Ip Control Valve , Drg . No . 01140427000/093 , For Tg 500 Mw , O-Ring ( 16X3 ) For A . T . T . Change Over Valve , Item No . 41 , Drg No . 01143505000 , For Bhel , O Ring 25X3 Part No . 47 , Drg . No . 01142401000 , For Low Vaccum Trip Assembly , Tg 500 Mw , Make : Bhel , O-Ring ( 16X3 ) For Hyd . Speed Governor , Part No . 5 , Dro . No . 01142105000 For Bhel , O Ring 43X3 , For Ip Control Valve , Drg . No . 01140427000/098 For Tg 500 Mw , O-Ring ( 45X3 ) For Hyd . Speed Governor , Part No . 42 , Dro . No . 01142105000 For Bhel , O Ring 74 . 2X5 . 7 Part No . 49 , Drg . No . 01142401000 , For Low Vaccum Trip Assembly , Tg 500 Mw , Make : Bhel , O Ring 11X2 . 5: Item No . 31 , Drg . No . 01140205600 , For Hp Control Valve Testing Device , For 500 Mw , Make Bhel , O Ring 51 . 5X3 . 55: Item No . 34 , Drg . No . 01140405600 , For Ip Control Valve Testing Device , For 500 Mw , Make Bhel , O-Ring ( 25X3 ) For A . T . T . Change Over Valve , Item No . 44 , Drg No . 01143505000 , For Bhel , Viton Rubber O Ring , Hardness ( Shore A ) - 90+/- 3 , As Per Is: 9975 , Size : Cord Dia = 05 Mm . , Viton Rubber O Ring , Hardness ( Shore A ) - 90+/- 3 , As Per Is: 9975 , Size : Cord Dia = 06 Mm . , Viton Rubber O Ring , Hardness ( Shore A ) - 90+/- 3 , As Per Is: 9975 , Size : Cord Dia = 08 Mm . , Viton Rubber O Ring , Hardness ( Shore A ) - 90+/- 3 , As Per Is: 9975 , Size : Cord Dia = 10 Mm .