What it is
AN9 hex head bolt, machine, aircraft (AN3 THRU AN20), Hex head, 9/16-18 UNF-3A, shank (A dia) .562-.558", grip 1-1/8" (±1/64), length 2-1/32" (+1/32 -1/64) (AN3 THRU AN20 Rev. 12 sheet 2)
Equivalents
  • NASM3THRUNASM20NASCatalog onlySame NSN 5306-00-151-3120 (government catalog). Not a maker's approval: confirm on the drawing.
Install tooling, by who made the part
Not documented for this part number. Ask a tooling specialist →

Reference only: the drawing and its process spec govern. How to read this

Full detail: decode, cited documents, every stock number