News and technical documents for all things Fastoe.
: Monel (Nickel-copper alloy, highly corrosion-resistant and heat-resistant)
Confirms whether a flush head rivet requires a 100-degree or 82-degree countersink tool. nas523 rivet code pdf
While memorizing the basic codes for standard aluminum rivets (like AD-4-6) is common for sheet metal technicians, aircraft utilize dozens of specialized fasteners. Titanium, Monel, and A-286 stainless steel rivets all have unique quadrant abbreviations that vary slightly by aircraft manufacturer (Boeing, Airbus, Lockheed, and Bombardier all use proprietary variations of standard NAS systems on older legacy prints). "Found it, huh
"Found it, huh?" he said, not looking up from his crossword. Here is how to get it: Her heart thumped
Because NAS standards are managed by the Aerospace Industries Association (AIA), they are copyright-protected documents. You generally cannot legally download a free "official" copy from a random file-hosting site. Here is how to get it:
Her heart thumped. This was the "code."