any device, including a weapon or equipment other than a nuclear explosive device, specifically designed to employ radioactive material by disseminating it to cause destruction, damage or injury by means of the radiation produced by the decay of such material, seade, k.a relv, mis ei ole tuumalõhkeseade, mis on konstrueeritud radioaktiivse materjali levitamiseks ja selle lagunemisel eralduva kiirgusega purustuste, kahjustuste või kehavigastuste tekitamiseks