Ok, I'm using 16,764 tons for the unit weight. Template D is the size (even though that's a little long... C is too short).
Chassis: Base (0.17), TL C (1.14), Armored (1.5), Submersible (1.8 ): 0.52785 total multiplier, 8,849 tons
Engine: Base (0.009), TL C Fission (1.15), Movement Factor (2 Cruise yields 8 ): 0.126 total multiplier, 2,112.5 tons
Armor: 927 points of BAR 10 at TL C (150 kgs per point): 139.5 tons (155 Front/Front Left/Front Right, 154 Aft/Aft Left/Aft Right)
24 White Shark Launchers (120 tons each): 2,880 tons
24 White Shark Missiles (40 tons each): 960 tons
4 Thunderbolt-20 Torpedo Launchers (closest to "heavyweight torpedoes"): 60 tons
27 shots of ammunition: 9 tons
Field Kitchen: 3 tons
15 Officers: 150 tons
140 Crew: 700 tons
Consumables: 300 tons (387 days)
Cargo/Spares: 600 tons