Metric nuts for windshield heat terminal strip
Screw length
Button Head structural
https://www.skygeek.com/military-standard-ms27039-series-steel-machine-screw.html
Countersunk
https://www.skygeek.com/national-aerospace-standard-nas517-screw.html
F900EX 001
Youtube video of valves
SB does cause interaction between crew and cabin valve
Turns out that the Anti skid switch is off during gear cycle. But, here is what happens when it is selected on.