Wave washers give a light axial preload in very little space — used to remove bearing end play, absorb thermal growth, or add spring feel to knobs and switches.
Standards DIN 137
Spring steel
Consistent rate at low cost.
304 stainless
Wet and food service.
How to choose
Check ID, OD and free height — free height sets available travel.
Use disc (Belleville) washers for high force, wave washers for longer travel.