2) Light My Fire "Army Model" (Swedish Fire Steel)
3) Medium Weight Polypropylene (Shirt and Drawers)
4) USGI Gore-Tex ECWCS (Parka & Trousers)

Three primary concerns...

FIRE
WATER
SHELTER

48 hours isn't long enough to concern yourself with food (some high calorie food would be nice though). You have a canteen cup so water purification is addressed. This leaves hypothermia...

JYD #123 The great one formerly known as Architect.

I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.