4
1.Rear cover x1
2.Anchor screw x3
3.Rear escutcheon x1
4.Compressed spring x2
5.Mounting plate x1
6.Square shaft x2
7.Mortise x1
8.Threaded pipe x3
9.Front escutcheon x1
10.Anchor screw of mortise x4
11.Anchor screw of lock cylinder x1
12.Lock cylinder x1
Exploded views