NAS523 Solid Rivet Specifications : Focuses on body diameters, shop head dimensions, and repair guidelines.
NAS523 Rivet Identification Guide | PDF | Rivet | Sheet Metal
Always verify the (e.g., NAS523 Rev 5) required by your specific aircraft maintenance manual (AMM) or engineering order, as dimensions and material allowances can change across historical revisions. nas523 rivet code pdf
: The lowest quadrant specifies the rivet's required grip length. The length is given in sixteenths of an inch; for example, a value of "4" indicates a required grip length of 4/16" (or 1/4 of an inch).
The PDF outlines allowable tolerances for hole preparation, maximum sheet thickness combinations for specific grip lengths, and precise dimple angles. 3. Regulatory Compliance and Audits NAS523 Solid Rivet Specifications : Focuses on body
Using NAS523 codes prevents catastrophic errors on the assembly line, such as installing an aluminum rivet where a high-strength titanium or Monel fastener is required. Anatomy of an NAS523 Rivet Callout
To read a blueprint or reference sheet effectively, you must memorize or cross-reference the most common industry codes. 1. Common Material Codes (Top Quadrant) The length is given in sixteenths of an
: Aluminum Alloy (5056 grade, high corrosion resistance, used with magnesium)