Which is kind of dumb since why bother using 0402 parts if using as much space as 0603.
Are you talking about the C1005X7S1A474K? (The one with 192 pieces on the BOM.) Because that would be pretty awesome, considering stock of the 0402 version is starting to run low at most places. Could we use a 0603 version instead, then?
If it's a standard 0402 cap, if one specific manufacturer part on one vendor runs low or out, there are 5-10x other vendors with the same part, and probably another 10x manufactuer parts (each listed on the vendor sites) that will work
The only part i saw that was tricky to source was the PIC, i had to order it directly from the manufacturer and it had a ~2 week leadtime.