UIC 822 Ed. 5 (2003)
UIC 822 Ed. 5 (2003) Technical Specification For The Supply Of Helical Compression Springs, Hot Or Cold Coiled For Tractive And Trailing Stock Governs the supply of parallel leaf springs with constant thickness or with a parabolic profile, intended for use in the suspension gear for tractive or hauled stock. It also applies to all springs wh