Spring Washer Flat

Spring washers, which have axial flexibility and are used to prevent fastening or loosening due to vibrations. Other uses are as a spacer, spring (belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer).Washers usually have an outer diameter (OD) about twice larger than their inner diameter (ID). Washers are usually metal or plastic.