Available to US bidders only. Flown internal wing structure assembly insulator from one of the space shuttles, serial number 25167-006. Part measures 16 x 10 x 5, and has been decommissioned with red paint. The original parts removal tag is taped underneath, dated February 16, 1999. The insulator mounts directly behind the leading edge and would protect the aluminum structure of the orbiter’s wing. This part would have been replaced after several missions and having logged millions of miles. RR Auction COA.