Both Oswald Boelcke and Max Immelmann survived failures which resulted in propellers being shot off and even engines pulled out of their mountings due to the engine becoming unbalanced by the loss of the propeller. Source: Internet
Iron ladders were crumpled up into rings, guns were literally hurled from their mountings. Source: Internet
High magnitudes of shocks may tear the crystals off their mountings (especially in the case of large low-frequency crystals suspended on thin wires), or cause cracking of the crystal. Source: Internet
As well as providing propulsion, outboards provide steering control, as they are designed to pivot over their mountings and thus control the direction of thrust. Source: Internet
Mechanical vibration isolation mountings can be used for high-stability crystals. Source: Internet
Steatite mountings are used. Source: Internet