a tie bar for connecting an equipment fitting of an equipment module to a structure fitting of a fuselage cell structure . at each end the tie bar has a fork head each with a fork head hole for a bolt . the spacing between the fork heads can be continuously adjusted . a captive bushing is utilized for sound and vibration decoupling . the bushings which are a press fit in the fork head holes can no longer fall out during the handling of the tie bars 10 . the dimensions of the bushings made of plastic are adapted to the respective application scenario by a tolerance calculation and guarantee an effective sound and vibration decoupling between the structure fitting and the equipment fitting .