bids are invited for gcb compressor spares 1 19 silent block d75 x 50 40 sh part no.-077984 , lube oil strainer part no.-064920 , coupling buffer d30 x 27g part no.-162449 , 1st stage piston ring m 85 x 77.6 x 2.5 part no.-104027 , 1st stage piston ring-stepped scraper ring n 85 x 77.6 x 2.5 part no.-104019 , 1st stage piston ring- narrow faced oil control ring g 85 x 77.6 x 5 part no.- 104000 , non return valve rhv 12-sr part no.-033243 , 2nd stage stepped scraper ring for n 45 x 41.2 x 2.5 part no.-043427 , 3rd stage taper faced compression ring m 20 x 2 part no.-152196 , 4th stage taper faced compression ring m 16 x 14-5x2 part no.-042935 , suction filter cartridge part no.-518735 , 1st stage valve lamella valve 80 lv part no.-037656 , 2nd stage valve lamella valve 45 lv part no.- 096032 , 3rd and 4th stage suction valve 9 a nr-22 part no.-038571 , 3rd and 4th stage discharge valve 9 a nr-23 part no.-038580 , unloading valve part no.-096423 , pressure maintaining non return valve part no.-158883 , gasket and ring set for one complete compressor part no.- 198908 total quantity : 113