Nas523 - Rivet Code Pdf
Example: identifies a standard MS20470AD (universal head) rivet made from 2117 aluminum alloy.
Universal head rivets, used in internal structures where aerodynamics are not a factor.
Contains the rivet identity, typically a two-letter code representing the part number (AN or MS) and the material/alloy . nas523 rivet code pdf
The final number in the sequence designates the maximum grip length or total shank length. Rivet length is measured in . -3 : 3/16 inch long -4 : 4/16 inch (1/4 inch) long -8 : 8/16 inch (1/2 inch) long -12 : 12/16 inch (3/4 inch) long Decoding Example: NAS523BB-4-3 Let us break down a practical example step-by-step:
A standard text-based NAS523 code looks like this: The code is broken down into four primary variables: Rivet Part Number (Specification) Material Composition (Letter Code) Body Diameter (Sizing) Grip Length (Sizing) The Four Core Components Explained 1. Rivet Part Number (Head Style and Shape) The final number in the sequence designates the
The hangar at Edwards Air Force Base was a cathedral of cold steel and older secrets. Lena Vasquez, a structural analysis engineer with a bad coffee habit and a worse case of imposter syndrome, was staring at a ghost.
(Far side) to tell the technician where the manufactured head should be placed. Southwest (SW) – Hole Preparation Rivet Part Number (Head Style and Shape) The
She didn't report it. Not yet. Instead, she walked to the supply cage. The old master sergeant there, a man named Crockett who had ears like radar dishes, saw the printout in her hand.
: It contains a letter code for the rivet's basic type, material, and alloy. For example, the code "BJ" specifies a 2117-T3 universal head rivet (MS20470AD), while "BB" indicates a 2117-T3 countersunk head rivet (MS20426AD).
Lists special instructions , such as whether to dimple (D) or countersink (C) the metal sheets.
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