procurement of spares of lp turbine of 250 mw kwu for aoh of unit no. 11, ph-4, stps, mppgcl, sarni. , lp shaft sealing (front) (drg. no. 01076618000) , sealing ring, part no. 01 (06 parts of segment per set) with sealing strip and square wire, fitted and machined to drg size , sealing ring, part no. 03 (06 parts of segment per set) with sealing strip and square wire, fitted and machined to drg size , helical compression spring, part no. 05 , lp shaft sealing (rear) (drg. no. 01076718000) , sealing ring, part no. 01 (06 parts of segment per set) with sealing strip and square wire, fitted and machined to drg size , sealing ring, part no. 03 (06 parts of segment per set) with sealing strip and square wire, fitted and machined to drg size , helical compression spring, part no. 05 , lock washer, part no. 06 , fitted key, part no. 10 , cylindrical pin d16x31.5, drg no. 01183346000, part no. 05