Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 3001apr0005 Brick 2 x 4 with Plane Windows 8 in Thick Red Stripe Print this part is a alternate of it
• 3001a Brick 2 x 4 without Cross Supports this part is a print of it