Nas523 Rivet Code Chart -
Before diving into the chart, it is essential to understand what the NAS523 standard represents. NAS stands for . Specifically, NAS523 covers the dimensional and mechanical property requirements for solid rivets made of corrosion resistant steel (CRES) and high-temperature alloys.
While a standard hardware store rivet might be identified by a simple part number, aerospace rivets utilize a sophisticated identification system known as the NAS523 code. For engineers, mechanics, and procurement specialists, understanding the is essential. It is the universal language that defines the material, head style, and size of a rivet without requiring a lengthy written description. Nas523 Rivet Code Chart
For example, a mechanic looking at a technical drawing might see a callout for "MS20470AD4-4." To the uninitiated, this is gibberish. To a professional trained in NAS523, this code immediately reveals: Before diving into the chart, it is essential
: Dimple the top two sheets and countersink the third (bottom) sheet. Fastener Measurements While a standard hardware store rivet might be