Specifies the part number (e.g., AN or MS) and material. For example, "BJ" often identifies a standard MS20470AD universal-head rivet made of 2117-T3 aluminum.
standard, often referred to as the Fastener Code , is a universal symbolic system used on aerospace engineering drawings to identify and specify the installation of permanent fasteners, such as rivets. Course Hero 🛠️ The NAS523 Symbolic Cross The core of the standard is a single cross nas523 pdf top
Technicians frequently encounter specific head styles and material codes when following NAS523 specifications: Rivet Codes Specifies the part number (e
: Monel (Nickel-copper alloy, highly resistant to corrosion and high heat). Specifies the part number (e.g.
Demystifying "nas523 pdf top": Aircraft Rivet Identification Made Simple