Connector- Nunbering System

For M24308 D-type Sub mini connector, 9-PIN M24308/4-1, 78 Female M24308/2-15, 50 Female

bent M24308/23-35FL, 78 mALE M24308/4-15, 15 Female M24308/2-2, 50 Male bent M24308/24

-53F, 78 Female M24308/2-15, etc...

What does the last digits after slash sign means ?

That's the drawing sheet number and the shell size, respectively.

Thanks for replay.....I got its solution. Here I would like to share with you...
**broken link removed**