Extension spring M02MC20400001
Compression spring M01LE2458
Muelle de compresion M01MC2220093
Wave spring washers have a restricted spring capacity and are primarily used
to eliminate axial play, e.g. against a bearing.
Diameter from 4.65 to 7.75 mm has two waves, others have three.
Diameter dimensions quoted are in mm and with thewasher flat.