procurement of spares of hp turbine for aoh of unit no. 10 of ph-iv, stps, sarni. procurement of spares of hp turbine for aoh of unit no. 10 of ph-iv, stps, sarni. , hp casing assembly , u sealing ring, assly drg no. 01050124000, part no. 5 , u sealing ring, assly drg no. 01050124000, part no. 7 , angel ring, assembly drg no. 01050124000 part no. 10 , pin d 7x14, assembly drg no. 01050124000 part no. 6. , screw hex assembly drg no. 01050124000 part no. 21 , screw press soc assembly drg no. 01050124000 part no. 22 , locking pin assembly drg no. 01050124000 part no. 23 , pin cylindrical assembly drg no. 01050124000 part no. 24 , pin cylindrical assembly drg no. 01050124000 part no. 28 , pin assembly drg no. 01050124000 part no. 32 , disc assembly drg no. 01050124000 part no. 34 , screw slt csk a-4.8 assembly drg no. 01050124000 part no. 35 , pin cylinder drg no. 1050124000 item no. 14 , screw set soc cp a 45 h drg no. 1050124000 item no. 15 , hp outer casing , screw plug m80x6 assembly drg no.01050124500 part no. 2 , screw plug m100x6 assembly drg no.01050124500 part no. 3 , hp shaft sealing (front) , screw hex am 30 x 115, assly drg no. 01050124000, part no. 53 , screw hex am 24 x 90, assly drg no. 01050124000, part no. 18 , hp inner casing assembly , screw set hex, assly drg no. 01050224000, part no. 14