THIS IS MY FIRST LOOK AT THIS SITE. I HAVE BEEN LOOKING ALL THRU IT. MAYBE YOU CAN DIRECT ME. I AM A STRUCTURAL DER IN OKLAHOMA AND AM CURRENTLY OUT OF STATE BUT WORKING AN AIRCRAFT STRUCTURAL PROBLEM AND DO NOT HAVE MY MIL-HDBK(MMPDS) WITH ME AND I NEED THE OLD SPECS FOR 7178 T76 BAR OR EXT...