In this case, it's just a screw for the air intake cover. They seemed a little "not normal," but I suppose I will at least have to look. Did not know Lowes is better. Thanks! Will see if we have some kind of more specialized store nearby, too. I was curious if there is an online catalog that might have the actual OEM options, but this is probably too inconsequential for that. I just don't want to screw it up. LOL
...ACE and True Value will often have a good selection of screws too.
I ended up at my nearby TruValue (I always get that mixed up with Ace). Anyhow, you're right--tons of hardware bins. Found something close enough. 16c! Thanks, y'all.