NUT, CONNECTION STRUCTURE, AND VEHICLE

A nut (10), a connection structure (100), and a vehicle (1000) are disclosed. The nut (10) includes: a body portion (1), the body portion (1) having a through hole (11), and at least a part of the through hole (11) being provided with an internal thread (12), where in an axial direction of the through hole (11), the body portion (1) is provided with a plurality of annular sealing members (2).