Secondary Vertical Damper For Lhb Nac Coaches-(Qr Code As Per Cde/Rcf Letter No. Md44121 Dt. 24.11.2021.), As Per Drawing: Rdso/Cg/Drg/21018 Alt.'3' Or Latest & Spec. No. Rdso /Cg-18005 Rev. 02 Or Latest. [ Warranty Period: 72 Months After The Date Of Delivery ] ]