Congress does not, by and large, get down to that level. They are typically approving a line time that encompasses a form of lump sum (i.e. "$100 million to NSF across these categories").
You can see the budget request here: https://www.nsf.gov/about/budget/fy2026
Defense spending would typically be a gruesome bidding process.
But either way, your proposal must at some point speak to something a generalist would understand. And that is how it should be - anything else is taxation without representation.