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 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 , configured to slide along the first and second slot sets 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 , and it is further connected to the threaded stud by the second shaft , said first and second shafts 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 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 , configured to slide along the first and second slot sets 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 , and it is further connected to the threaded stud by the second shaft , said first and second shafts 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. <EOS>