880330000000 under HS Code PARTS OF GOODS OF HEADING 8801 OR 8802 - - OTHER PARTS OF AEROPLANES OR HELICOPTERS, 401693000000 under HS Code Others, and 731815000000 under HS Code SCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL - THREADED ARTICLES : OTHER SCREWS AND BOLTS, WHETHER OR NOT WITH THEIR NUTS OR WASHERS were the top imported HS Codes by TANZANIA GORVERNMENT FLIGHT AGENCY in 2021.