NAS 537 Rev. 10

Bushing, Sleeve – Press Fit, Undersize Inside Diameter
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 04/28/2017

NAS 410 Rev. 5

NAS Certification & Qualification of Nondestructive Test Personnel, 2020 Edition (Includes Amendment 1, 2020)
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 09/30/2020

NAS 1068

Nut, Self-Locking Plate, Two Lug, Low Height, CBored, Floating, Reduced Rivet Spacing
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 06/25/1991