G900X/G950 Installation and Maintenance Manual – GDU 1040 Page 2-17190-00719-00 Revision D2.7 Mounting RequirementsThe GDU 1040 mounting hardware is designed to accommodate various sheet metal panel thickness (seethe Table 2-7).Table 2-7. GDU Mounting HardwareGDU 104X Mounting Hardware P/N Sheet Metal Panel Thickness011-00821-00* 0.080" ±0.005011-00821-01 0.125" ±0.005011-00821-02 0.090" ±0.005011-00821-03 0.100" ±0.005* Included in the G900X/G950 Install Kit (K10-00003-1X)The locking socket (See Figure 2-1) can be attached by using a rivet or screw. If using rivets, the rivetshould be a 1/8" flat head 100° countersunk solid rivet. If using screws, the screw should be #4-40 flathead 100° countersunk screws with standard hex nuts on the back. If screws are used, thread lockingcompound (Loctite or equivalent) or a self locking nut with a nylon locking feature should be used. Thespecified screws and rivets are designed to provide a flush front surface.Figure 2-1. GDU 104X Locking SocketNOTEIf using rivets to attach the locking socket to the panel, take care not to over-compress therivet. Doing so can result in damage to the socket.