Yesterday I took apart my carburetor just barely even took it apart and yet still managed to lose track of where a piece goes

We're in the carb does this go. I ended a couple lines but I didn't fully take it apart in fact I barely took it halfway apart
Also they know this is probably not the right spot to do this but I desperately need a housing unit for an evaporator core as well as the brackets for a compressor or hell a way to make then from home trust me I'm pretty crafty. And other parts that will have to be done professionally but a box is a boxes is a box

 

Here's a breakdown from the FSM of the carb for an 85. I don't see n exact duplicate of the part you show, but maybe you'll see something that looks familiar...?
Personally, I'm thinking float needle valve, but I may well be wrong.
Hope it helps.
Pat☺