A correctly driven rivet should have a "shop head" height of 0.5 x Diameter and a width of 1.5 x Diameter
: Represents an MS20470AD universal-head rivet manufactured from 2117-T3 aluminum alloy (commonly referred to as an "AD" rivet). nas523 pdf top
Indicates the rivet diameter and the location of the manufactured head . Letters like "N" (Near) or "F" (Far) specify which side of the sheet the head should be on. A correctly driven rivet should have a "shop
The NAS523 symbol eliminates this issue by using standardized positions—Northwest (NW), Northeast (NE), Southwest (SW), and Southeast (SE)—to communicate everything from the raw material to the exact method of metal dimpling or countersinking. Decoding the Four Quadrants of the NAS523 Crosshair The NAS523 symbol eliminates this issue by using
Indicates the rivet's diameter (typically in 1/32" increments) and whether the manufacturer’s head should be on the Near (N) or Far (F) side of the structure.
The lower-left section dictates how the raw aluminum sheets must be modified prior to inserting the rivet. This is vital for maintaining an aerodynamic surface profile. NAS523 Rivet Identification Guide | PDF - Scribd
NAS 523 is a standard published by the Network-Attached Storage (NAS) Forum, which provides a specification for network-attached storage devices. The standard defines a set of requirements and guidelines for designing, implementing, and testing NAS devices.