bids are invited for procurement of ac plant spares spacer washer - spacer washer part no 31300481 , lip seal - lip seal part no 38250003 , check valve - check valve part no 36910804 , suction gas filter - suction gas filter part no 36201602 , sleeve - sleeve part no 37506904 , oil filter - oil filter part no 3610502 , sliding ring - sliding ring part no 31210401 , bearing cover - bearing cover part no 30515103 , piston rod - piston rod part no 31403206 , demister - demister part no 36920504 , cheese head screw - cheese head screw part no 38031282 , spacer washer - spacer washer part no 31300484 , pressure control valve - pressure control valve part no 36110605 , hexagon head screw - hexagon head screw part no 31590401 , grooved nut - grooved nut part no 38190501 , piston ring - piston ring part no 37410012 , piston ring - piston ring part no 37410011 , nozzle - nozzle part no 31403902 , roller bearing unit - roller bearing unit part no 38660401 , gasket set - gasket set part no 37283701 , grooved nut - grooved nut part no 38190208 , grooved nut - grooved nut part no 38190203 , cover m - cover m part no 31402020 total quantity : 30