What it is
AN5 hex head bolt, machine, aircraft (AN3 THRU AN20), Hex head, 5/16-24 UNF-3A, shank (A dia) .312-.309", grip 3-13/16" (±1/64), length 4-11/32" (+1/32 -1/64) (AN3 THRU AN20 Rev. 12 sheet 2)
Equivalents
  • AN5H42ANCatalog onlySame NSN 5306-00-638-4793 (government catalog). Not a maker's approval: confirm on the drawing.
  • NASM6812AN5-42NASCatalog onlySame NSN 5306-00-638-4793 (government catalog). Not a maker's approval: confirm on the drawing.

+2 more reference numbers in the detail below.

Install tooling, by who made the part
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Reference only: the drawing and its process spec govern. How to read this

Full detail: decode, cited documents, every stock number
AN5-42: AN5H42, NASM6812AN5-42 | SpecLok