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 1214

Fitting End – Standard Dimensions for Flareless Tube connections and Gasket Seal
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 02/15/1958