NAS 5270

Fastener-Blind, Internally Threaded, External Sleeve, Titanium, Protruding Head, Self-Locking
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 07/01/1998

NAS 5312

SCREW, 100 DEG FLUSH HEAD, FULL THREAD, NAS1800 SIX LOBE RECESS, SELF-LOCKING AND NON-LOCKING
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 07/01/2006