The code consists of a central cross dividing four quadrants, each representing a specific attribute of the rivet installation: Designation Information Provided Fastener Type
While NAS523 is not a specific type of rivet (like NAS1097 or MS20470), it is widely cited in aerospace manufacturing manuals as the . nas523 rivet code pdf
in 1/16" increments. A rivet with a 3/8" length would be marked as Key Reference Documents The code consists of a central cross dividing