NAS 978 Rev. 4

Numerically Controlled Machining Center (Combination Drilling, Boring, Milling & Tapping Machines) – Inactive for New Design
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 07/31/2012

NAS 977

Milling Machine, Contour, Numerical Control, Multiaxis, Traveling Gantry/Table, Combination High and Low Speed
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 09/01/1965

NAS 97

Weldkd Assembly – Tube, 3/8 O. D., Steel, Clevis and Threaded Rod Ends
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 10/15/1946