"Main Engine Maker: Maker: DIESEL UNITED, LTD.
Main Engine Type: DIESEL UNITED - SULZER 6RTA72.
Main Engine Serial No.: DU-3625.
Shipyard: Universal Shipbuilding Corporation TSU.
Ship No.: 237/004." "Non-return valve, complete to lubricating quill (Z 21516 - Z 21519);
Item No. Z 21515 Part list Z 214- 10" DIESEL UNITED LTD.6RTA72.Z 21515