HELICAL SPRING ( INNER ) FOR WCAM 2 LOCOS A [ HELICAL SPRING ( INNER ) FOR WCAM 2 LOCOS AS PER RDSO DRG. NO. SKVL- 238 Alt 2 or latest and RDSO Spec No. MP. 0. 4900. 12 Rev- 05 of December 2020. PAIRING OF SPRING AS PER COMPRESSED HEIGHT WORKING LOAD WITH GROUP- B ( One Band Only ) ]