A nice list. Might I add extra cash, a credit card or 2, and a spare drivers license hidden away somewhere in the vehicle? What kind of vehicle are you building the list for? How many people?
I made a list, including the quantity of each item, and the weight of each item. I was surprised how fast the weight added up, and how high it got.
I got the plans for a tear drop trailer and built one to hold my bug out gear, with extra fuel. You can also sleep in the trailer if needed. Use matching wheels to your tow vehicle so you use the trailer wheels as vehicle spares if needed. The right axles will allow you to carry a fair amount of gear in the trailer.