MILT 8808|MILT 8606|AMS 5571|AMS 5556|AMS-5571 REV J|MIL-T-8808 TY I |REV B|MIL-T-8606 REV C-A2|AMS-5556 REV J|PWA-S-5556 REV A|GE-S-1000|BST72|290MPa|BST66