Supply Of Set Of Suspension Springs For Wap-4 Electric Loco Bogie. Set Consisting 02 Items 40 Nos As Follows: (i)secondary Spring To Rdso Drg. No. Skdl-3473 Alt. 9 = 16 Nos. (i)primary Spring To Rdso Drg. No. Skdl-3472 Alt-7 = 24 Nos. Conforming To Rdso Specn. No. Mp.0.4900.12 Rev. 05 Of Dec.-202 0, Pairing Of Spring As Per Compressed Height Working Load With Group-b. [ Warranty Period: 60 Mon Ths After The Date Of Delivery ]