Third Party material

Hai Dears,

I want Know the Same Material nos for different Storage Location and Different Item cat group can give in Material master....for eg

Thirdparty Item cat group BANS for one Material . Storag Loc: 0001

and Normal material Item catgrp : NORM for one Material , SL :0002

This is for same Material Number,...Is it work ? I tried , But repeating the same

what currently i have changed .. for both Material..Pls give the information.

Thanks

Roshan