NAS 1777

Nut, Self-Locking, Plate, Corner, Low Height, Cbored, Reduced Revet Spacing, 160 Ksi, 450F, 800F
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 03/13/1989

NAS 207

Screws – 100 Flat Head, Phillips Recess, Alum. Alloy, Bronze and Alloy Steel, 5/16-24
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 11/01/1947