The BST-52 high-explosive incendiary warhead consists of a casing with a cover, an explosive charge, eight sealing elements, a steel liner for the cumulative cavity, a powdered ignition charge in the cumulative cavity, a cumulative cavity cover, and an ignition cup with a detonator sealed by an aluminum gasket. The casing, casing cover, ignition cup, and hermetic element casings are made of aluminum; the cumulative cavity lining, cumulative cavity lining cover, and hermetic element covers are made of steel.