Item not appearing in the PO

HI

I created a Item copy the existing item .

Assigned the same to the Inventory Org ..

But When I try to create a PO for the same item the same is not appearing in the Item LOV..

Note : Parent Item (in the sense the item which I used to copy) is appearing 

What might be the cause?

I have checked Inventory and Purchasing tab while creation of item and all the flags as as expected

Thanks
Santhosh