Inner Bolster Suspension Spring For Casnub 22 Hs (Mod-I) Bogie As Per Rdso Drg. No. Wd-04017-S-04, Alt.-5, Item No. 2. Material And Specification As Per Drawing And Confirming To Rdso Spec No. Wd 01-Hls-1994 Rev. 3 With Amendment No. 3 Of Aug 2019; Material Is: 3195. [ Warranty Period: 30 Months After The Date Of Delivery ] ]