Set of locking nut and impeller locking [ Set of locking nut and impeller locking arrangement for MVSI/ MVSL ( Shamal Harand ) as per Drg. no- BSL/ TRS/ WAM4/ SK/ 4/ 462. Set consist of 02 items, 1 ) Locking plate, Qty.- 1 no. 2 ) Locking Nut ( L/ H ) thread, Qty.- 1 no. ]