NAS 1670

Fasteners – Blind, Internally Threaded, External Sleeve, General Purpose, Protruding Head Self-Locking
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 04/25/1991

NAS 1329

Nut, Blind Rivet – Flathead, Internal Thread, Non-Locking (Free-Running ) and Self-Locking (Prevailing Torque)
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 04/11/2000