tender for uncommon items / components for ioh specific to bt type tap changer tobe procured from m/s repl only as per rdso tc no. 102 [rev-1] 38 items 125 nos. as perannexure attached. as per specn. 10 guide pin a4540.6 am-501613-p1 1, 11 hex screw m12x45a1913 mt430872-p415 2, 12 compression spring a5317.7 am-500020-p1 4, 13 plunger nutcomplete a5317.8 ag-549222-r1 4, 14 gasket a3113 am .