etender for procurement of spare parts for repairing of stir lin 2 liquid nitrogen production plants plant no 5 and plant no 6 at cscs, rk nagar, west tripura during the year 2021-2022 etender for procurement of spare parts for repairing of stir lin 2 liquid nitrogen production plants plant no 5 and plant no 6 at cscs, rk nagar, west tripura during the year 2021-2022 , guide ring displacer 1-4 cylinder , sealing ring for displacer , o-ring norm 114 , o-ring norm 117 , o-ring norm 157 , o-ring norm 234 , o-ring norm 245 , diaphragm , non return valve , rubber jacket for condenser , piston ring , oil scraper ring , guide bushing , cryo generator coolant , compressor coolant- sigma fluid s-570 , oil separator cartridge , oil filter , air filter , filter- 020 aa , v belt , exhaust fan for chiller , cylinder temperature safety , carbon molecular sieves ( cms ) , alumina gel , air end block , liner customized for cylinder compression space