>> Search results for: BETALOC NSN Search Results National Stock Number (NSN) Description 6505-21-882-6567, 6505218826567 METOPROLOL TARTRATE 6505-21-882-6566 , 6505218826566 METOPROLOL TARTRATE 6505-66-097-7866, 6505660977866 METOPROLOL TATRATE 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information