Spring Seat (Secondary) For Wap-4 Loco As Per Drg.No- 03/01/12/51. One Set Consist Of Four I Tems Having Thickness Are 5Mm, 6Mm, 8Mm, &10Mm. (One) 01No. Each Of The Above Four Items. [ Warran Ty Period: 30 Months After The Date Of Delivery ] ]