Which emblem component is not mentioned as part of the national FFA emblem?

The component that is not part of the national FFA emblem is the beehive. The FFA emblem is composed of specific symbols that represent key aspects of agricultural education and the organization itself. These include the plow, which represents labor and tillage of the soil; the owl, which symbolizes wisdom and knowledge; and the flag, which serves as a representation of unity and support for the organization and its goals. The beehive, while a symbol of hard work and productivity in a general sense, is not included in the official national FFA emblem, making it the correct answer to the question. This understanding of the emblem's components is essential for recognizing the values and mission of the FFA.