TOP CAP AND SPRING SEAT ASSEMBLY FOR LUBE OIL FILTER TO SCR DRG No. SCR/ LOFP/ SK. NO. 118, ITEM- 2 CONSISTING OF ITEMS, 2a & 2b, ALT- 4, AND CONFORMING TO RDSO SPEC. NO. MP. 0. 2600. 15, REV. 05, MAR, 2021. NOTE: ALL THE MATERIALS PARTS MUST BE PACKED IN RIGID HARD CARD BOARD CARTON BOXES CONVENIENT TO HANDLE.