What it is
AN525 washer head screw, Washer head, recessed (R), .164-36UNF-3A (#8-36) (dash 8), length 1-7/8" (±1/32), grip 1-15/32" (G)
Equivalents
No equivalent on file: no maker document names one and the government catalog lists none on its stock number.
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