DS EN 4124:2005 Aerospace Series - Shank Nuts, Self-Locking, In Heat Resisting Nickel Base Alloy Ni-Ph1302 (Waspaloy), Silver Plated On Thread, For 60 Degrees Swage - Classification: 1210 Mpa (At Ambient Temperature)/730 Degrees C Defines the characteristics of self-locking shank nuts in NI-PH1302, silver plated on thread, for use in 60 degrees swage cone holes, for aerospace applications.