339993  Fastener, Button, Needle, and Pin Manufacturing

This U.S. industry comprises establishments primarily engaged in
manufacturing fasteners, buttons, needles, pins, and buckles (except
precious metals or precious and semiprecious stones and gems).

The data published with NAICS code 339993 include the following
SIC industries:

3131 Footwear cut stock and findings (pt)                                      
3965 Fasteners, buttons, needles, and pins