Airstream Lever Spring for Airstream 1970-1977 KT Door Lock – 380193 (no longer available and as shown below) keeps tension on the outside door latch preventing it from opening. Replacing the spring is easy, requiring only a screwdriver and possibly needle-nosed pliers.

Compatible parts for KT Lock: 380633, 380635, 380346, 380348, 1110-0015, 380347, 380345, 682385, 380343, 380344, 685198