procurement of spares for refrigeration compressor of sdu ( 9500-008-ka-sc-101 a / b ) , list of item ( s ) / work ( s ) as per tender documents , screw element assembly , journal bearing kit , filter element - secondary oil seperator , annual insp.kit_screw compressor_howden , thrust collar, wrvt, p / n - 4001000050 , male i.e. balance piston, p / n:r32543 , guide block, p / n:r32314 , adjustment ring - male, p / n:r32463 , adjustment ring-female, p / n:r32473 , thrust brg adj ring - male, p / n:r32483 , thrust brg adj ring-female, p / n:r32493 , wrvt / 321 thrust bearing assy, p / n:g51107 , inlet end cover, p / n:n0121208012 , floating seal thrust brg g51108