Nozzle Dam Electrical penetration assemblies A B C Piston Rod Seal B-Ram Drive Shaft Backup Seal C - Ram Piston Tube Seal Capsules Drive Ring Electrical penetration assemblies FBTR Pin Latch Extension Tube Seal Nozzle Dam Outer Flow Tube Seal Ram Drive End Body Roll Pin Shaft Sleeve Shield plug assembly Shuttle Tube Assembly Snout Mechanism Assembly Springs Steam Jet Ejectors Tubes Upper & Lower Wedges Nozzle Dam