NAS 59

Bolt – Close Tolerance Alloy Steel and Alum. Alloy 9/16-18
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 06/01/1949

NAS 507

Airframe Castings – Specification for Classification and Inspection of
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 03/29/1978

NAS 110

Welded Assembly – Tube, 1/2 O.D., Steel, 5/16 Threaded Rod Ends.
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 10/15/1946