What it is
AN935 lock washer, Lock washer, spring, per substitute MS35338-101: nominal size 1/4 (.250); ID (A) .252-.260"; OD (B) .487" max
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

Every size and maker in the AN935 series →

Full detail: decode, cited documents, every stock number