An anti-rattling restraint device for the fastening of pallets in cargo aircraft restrain systems, comprising: a frame body, suitable for being attached to a pallet, the frame body comprising an upper side, lateral sides, a first and a second slot sets (24, 25) positioned on said lateral sides, wherein the first slot set is in a substantially inclined position relatively to the second slot set, a first and a second shaft (6a, 6b), configured to slide along the first and second slot sets (24, 25) respectively, a threaded stud, a lever, configured to move between a retracted position, and a deployed position, comprising a first end, a second end and a lever slot substantially positioned on the second end of the lever, locking means positioned on the upper side of the frame body, and elastic means, wherein the threaded stud is connected to the second shaft, and it is further connected to the frame body by the locking means, the lever is connected to the frame body by the first and second shafts (6a, 6b), and it is further connected to the threaded stud by the second shaft, said first and second shafts (6a, 6b) being connected there between by the elastic means, the lever is configured to slide along the first slot set and to pivot around the first shaft, and the second shaft is configured to slide along the lever slot, so that, when in use, upon the application of a rotational movement on the locking means, the locking means providing a screwing interconnection between the threaded stud and the frame body, the threaded stud pushes down the second shaft and moves the lever from the retracted position to the deployed position, causing the anti-rattling device to lock the pallet to the cargo restrain system. a frame body, suitable for being attached to a pallet, the frame body comprising an upper side, lateral sides, a first and a second slot sets (24, 25) positioned on said lateral sides, wherein the first slot set is in a substantially inclined position relatively to the second slot set, a first and a second shaft (6a, 6b), configured to slide along the first and second slot sets (24, 25) respectively, a threaded stud, a lever, configured to move between a retracted position, and a deployed position, comprising a first end, a second end and a lever slot substantially positioned on the second end of the lever, locking means positioned on the upper side of the frame body, and elastic means, the threaded stud is connected to the second shaft, and it is further connected to the frame body by the locking means, the lever is connected to the frame body by the first and second shafts (6a, 6b), and it is further connected to the threaded stud by the second shaft, said first and second shafts (6a, 6b) being connected there between by the elastic means, the lever is configured to slide along the first slot set and to pivot around the first shaft, and the second shaft is configured to slide along the lever slot, so that, when in use, upon the application of a rotational movement on the locking means, the locking means providing a screwing interconnection between the threaded stud and the frame body, the threaded stud pushes down the second shaft and moves the lever from the retracted position to the deployed position, causing the anti-rattling device to lock the pallet to the cargo restrain system.