>> Search results for: PHANASIN NSN Search Results National Stock Number (NSN) Description 6505-01-399-5108, 6505013995108 GUAIFENESIN SYRUP 6505-01-406-2721 , 6505014062721 GUAIFENESIN SYRUP 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