Part Number: 16W132-11 (Spar,wing box)Part Number: 16W133-13 (Spar,wing box)Part Number: 16W133-14 (Spar,wing box)Part Number: 16W134-15 (Spar,wing box)Part Number: 16W134-16 (Spar,wing box)Part Number: 16W135-27 (Spar,wing box)Part Number: 16W135-28 (Spar,wing box)Part Number: 16W135-29 (Spar,wing box)Part Number: 16W135-30 (Spar,wing box)Part Number: 16W136-48 (Spar,wing box)Part Number: 16W140-21 (Spar,wing box)Part Number: 16W140-22 (Spar,wing box)