Both DIN2093 & DIN6796 are types of Disc Springs (Belleville Washers).
DIN2093 is the standard Disc Spring Washer whereas DIN6796 is the Heavy Duty Type.
Caleb Components stocks a wide range of Disc Springs also including Ball Bearing Preload Disc Springs.
To view the full range, please use the links below.
DIN2093 CARBON STEEL – https://springfasteners.co.uk/product-category/disc-springs-washers/disc-springs/disc-springs-belleville-washers/
DIN2093 STAINLESS STEEL – https://springfasteners.co.uk/product-category/disc-springs-washers/disc-springs/disc-springs-stainless-steel-din-2093/
DIN6796 HEAVY DUTY DISCS – https://springfasteners.co.uk/product-category/disc-springs-washers/disc-springs/heavy-duty-disc-springs-din-6796/
BALL BEARING PRELOAD DISCS – https://springfasteners.co.uk/product-category/disc-springs-washers/disc-springs/ball-bearing-pre-load-disc-springs/