What it is
MS24665 cotter pin, Cotter pin (split), nominal 1/4 - .250; recommended hole .266" (Table I), length L 2" (Table IV)
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