What it is
AN173 close tolerance hex head bolt (AN173 THRU AN186), Hex head, close tolerance, .1900-32 NF-3A, shank (A dia) .1894-.1889", grip 2.500" (±.016), length 2.906" (+.031 as printed) (AN173 THRU AN186 Rev. 7 sheet 3, Table II)
Equivalents
  • AN173H27ANCatalog onlySame NSN 5306-00-150-9098 (government catalog). Not a maker's approval: confirm on the drawing.

+1 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
AN173-27: AN173H27 | SpecLok