Helical Spring (Inner) For Bolster Suspension Of Jessop Make Tr. Coaches (Spring Cod E - J66) To Kpa'S Drg. No. Ac/Emu - 298, Item B Alt Nil.But Specification Is Rdso'S Spec.No.Wd-01-Hls- 94, (Rev.4) Of June'2022.Material-Is:3195 [ Warranty Period: 60 Months After The Date Of Delivery ] ]