Nas523 Rivet Code Pdf -

: Provides technical diagrams showing the "cross" symbol and its variations. NAS523 - Fastener Code (GlobalSpec)

A rivet code NAS523-6-8 has a grip of 0.500”. Using it in a stack-up of 0.400” to 0.490” is acceptable (within 0.010” over grip). But if the stack-up exceeds 0.500”, the shop head will be undersized, compromising shear strength by up to 40%. nas523 rivet code pdf

Understanding this code prevents catastrophic manufacturing errors. Using the wrong rivet material can cause galvanic corrosion, while incorrect sizing can lead to structural failure under stress. Structure of the NAS523 Rivet Code Symbol : Provides technical diagrams showing the "cross" symbol

A code like "NASXXX-5N C4" would typically specify a specific fastener (NASXXX) with a 5/32" diameter (-5) , to be installed with the manufactured head on the Near Side (N) , requiring a Countersink (C) , and having a grip length code of 4 . While the location and meanings of these codes within a drawing's callout are fixed, their specific alphabetic or numeric values are defined within the full NAS523 specification. But if the stack-up exceeds 0

Complete Guide to NAS523 Rivet Codes: Identification, Callouts, and Specifications

The initial part of the code designates the specific standard number, which dictates the head style (countersunk or universal) and the specific design standard. Common examples include: