Secondary Vertical Damper For Train-18, Emu Us & Memu Us Coaches To Drg. No.T Rain18/Mc/Ac-0-5-010, Item-1,Alt-B---- And In Compliance To Rdso Specification Rdso/Cg- 18005---- Or En-13802(Latest Revision). 1. Firm Has To Submit Oem Drawings With Detailed Dimensions & Characteristics. 2. Type Test Shall Be Conforming To Rdso Cg-18005 (Latest Revision) Or En-1 3802. 3. Service Trials Shall Be As Per Rdso Cg-18005 (Latest Revision). [ Warranty Period: 30 M Onths After The Date Of Delivery ] ]