Diesel Generator Spare Parts

bangladesh navy requires the following spare parts:
list of spare parts: diesel generator-bns nirbhoy
ser part/patt no description of item deno qty req
(a) (b) (c) (d) (e)
1 51.01201-0309 cylinder liner no 06
2 51.02130-0012 wearing ring no 02
3 51.02503-0677 taper faced key stone ring no 12
4 51.02503-0678 taper faced compression ring no 12
5 51.02503-0676 tapered land oil control ring no 12
6 51.02503-0080 gudgeon pin no 03