Nas523 Rivet Code Pdf ❲1080p • 2K❳

The NAS523 Rivet Code is a standardized identification system established by the National Aerospace Standards Committee used to specify rivet types and installation requirements on aviation blueprints and assembly drawings. Unlike the standard MS (Military Standard) or AN (Army-Navy) part numbering, the NAS523 code uses a multi-quadrant "crosshair" symbol to consolidate various technical specifications into a single visual locating point. The NAS523 Crosshair Symbol

  1. Purchase from S&P Global or SAE International to ensure revision control.
  2. Verify the revision letter (e.g., NAS523 Rev. C). Old revisions are not airworthy.
  3. Create a local searchable archive – Use OCR (Optical Character Recognition) software if your PDF is scanned from microfilm.
  4. Print a laminated pocket chart – Cut out the rivet code, color, and drill size table for your toolbox.

Indicates the rivet material alloy (e.g., "AD" for 2117 aluminum). Southeast (SE) Fastener Length nas523 rivet code pdf

You can find detailed charts and full specifications in these documents: The NAS523 Rivet Code is a standardized identification

Northeast (NE): Specifies the diameter and which side the manufacturer's head should face ("Near" or "Far"). Purchase from S&P Global or SAE International to

: This indicates how the hole should be prepped, particularly for flush installations. Common codes include: : Machine Countersunk : Dimple both sheets Southeast (SE) – Rivet Length

Contains the rivet part number (AN or MS) and material code. For example, the code

  1. MS20470: The Head Style. (In this case, a Universal Head / Protruding Head).