Technichal drawing legend markings question

[predatorkind]

Hello

I hope this is the right forum to ask the question: I have this diagram of ak47 with the rifle parts marked. They are all numbered and listed in the legend of the diagram. I can not quite figure out what the letters 'V' and 'T' next to some of the numbers are supposed to stand for.

I would appreciate any clarification.

 

[pantaz]

Whoever created the diagram should have supplied a legend defining the numbering scheme.

 

[tiny-tim]

Whoever created the diagram should have supplied a legend defining the numbering scheme.

pantaz, we know that!

bump!

 

[pantaz]

pantaz, we know that!

*sigh* I suppose I should have been more verbose.

To the best of my knowledge, there is no general technical drawing "standard" for such a thing.

My first choice would be to locate the source of the drawing/list. Second, post the question on a firearms forum. Third, print the image and take it to a gun dealer.