supply of procurement of spares for track machinesprocurement of spares for track machines,brake block/linking as per plasser part no. wn146.730.k3, make :- plasser or its equivalent ] , brake block for satellite as per plasser part no sm111.229 ; make - plasser or its equivalent. ] , mounting block as per plasser part no-64.05.1207,make:-plasser or its equivalent ] , brake block as per plasser part no wn146.730.k4 and sub : wn146.730.k9 , make- plasser or its equivalent. ] , brake block as per plasser part no wn146.900.k2/k3 , make-plasser imp or its equivalent. ] , brake lining as per plasser part no wn146.920.k-3a/k-3 /k-9 , make-plasser imp or its equivalent. ] , brake block insert as per plasser part no wn156-ehg-1 , make-plasser or its equivalent. ]