procurement of spares of vacuum pump of make nash of model no. at 2006 for aoh of unit no. 10 of ph-iv, stps. sarni. , spares of vacuum pump of make nash of model no. at 2006 , latern gland part no. 10 , floating bearing lock nut part no. 119-1 , fixed bearing locknut part no 120-1 , second stage rotor nut part no. 610-1 , 2nd stage packing gland assembly part no. 613 , repair kit at-2006 , fastner kit at-2006 , inlet screen , seal water strainer with pipe fitting , solenoid operated inlet suction valve , floating bearing ( de ) , part no. 119 , fixed bearing ( nde ) , part no. 120