NAS 114

Riveted Assembly – Tube, 3/8 O.D., Alum. Alloy, Threaded Rod Ends.
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 10/15/1946

NAS 202

Screws, Round Mead. Phillips Recess. Low Carbon Steel and Brass
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 11/28/1952