U.S. Navy Submarines

Production Submarines

SS 212 Gato Class

311' 9 length
27' 3” Beam
15' 3” Draft
1,526 tons Surfaced Displacement
2,410 tons Submerged displacement
5,400 SHP Diesels, 2 Shafts
2,740 SHP Electric Motors, 2 Shafts
20.25 kt surfaced speed
8.75 kt submerged speed
94,400 gallons of diesel fuel (original)
116,000 gallons of diesel fuel (wartime)
11,000 nm at 10 kts surfaced endurance
96 nm at 2 kt submerged endurance
300 ft Test Depth

Weapons:
6 x 21” TT Bow
4 x 21” TT Stern
24 x 21” Torpedoes

SS 285 Balao Class

311' 9 length
27' 3” Beam
15' 3” Draft
1,525 tons Surfaced Displacement
2,415 tons Submerged displacement
5,400 SHP Diesels, 2 Shafts
2,740 SHP Electric Motors, 2 Shafts
20.25 kt surfaced speed
8.75 kt submerged speed
116,000 gallons of diesel fuel
11,000 nm at 10 kts surfaced endurance
96 nm at 2 kt submerged endurance
400 ft Test Depth

Weapons:
6 x 21” TT Bow
4 x 21” TT Stern
24 x 21” Torpedoes

SS 417 Tench Class

311' 8 length
27' 3” Beam
15' 3” Draft
1,570 tons Surfaced Displacement
2,415 tons Submerged displacement
5,400 SHP Diesels, 2 Shafts
2,740 SHP Electric Motors, 2 Shafts
20.25 kt surfaced speed
8.75 kt submerged speed
113,510 gallons of diesel fuel
11,000 nm at 10 kts surfaced endurance
96 nm at 2 kt submerged endurance
400 ft Test Depth

Weapons:
6 x 21” TT Bow
4 x 21” TT Stern
28 x 21” Torpedoes

SS 550 (SSK-1) Class

196' 1” length
24' 7” Beam
14' 5” Draft
765 tons Surfaced Displacement
1,160 tons Submerged displacement
1,125 SHP Diesels, 2 Shafts
1,050 SHP Electric Motors, 2 Shafts
13 kt surfaced speed
8.5 kt submerged speed
Pressure Hull Material:
400 ft Test Depth
37 Crew

Pressure Hull:
7/8” Medium Steel with 34,000 PSI yield strength
Collapse Pressure about 360 PSI

Weapons:
4 x 21” TT Bow (8 Torpedoes)

SS-563 Tang Class

269' 2” length
27' 2” Beam
18' Draft
1,821 tons Surfaced Displacement
2,260 tons Submerged displacement
3,400 SHP Diesels, 2 Shafts
4,700 SHP Electric Motors, 2 Shafts
15.5 kt surfaced speed
18.3 kt submerged speed
11,500 nm at 10 kts surfaced endurance
129 nm at 3 kt submerged endurance
700 ft Test Depth
83 Crew

Weapons:
6 x 21” TT Bow (22 Torpedoes)
2 x 21” TT Stern (4 Torpedoes)

AGSS 570 (T-1) Class

131' 3” length
13' 7” Beam
12' 2” Draft
303 tons Surfaced Displacement
347 tons Submerged displacement
250 SHP Diesels, 2 Shafts
380 SHP Electric Motors, 2 Shafts
10 kt surfaced speed
10.5 kt submerged speed
2,000 nm at 10 kts surfaced endurance
225 ft Test Depth
14 Crew

Weapons:
NONE

SSN 571 Nautilus Class

323' 8.5” length
27' 8” Beam
3533 tons Surfaced Displacement
4092 tons Submerged displacement
S2W Reactor, 2 Shafts, 13,400 shp
22 kt surfaced speed
23 kt submerged speed
20,700 nm at 23 kts submerged (900 hours at full power limit of original core)
700 ft Test Depth
105 Crew

Weapons:
6 x 21” TT Bow (22 Torpedoes)

SS 576 Darter Class

268' 7” length
27' 2.25” Beam
1,871 tons Surfaced Displacement
2,372 tons Submerged displacement
3,100 SHP Diesels, 2 Shafts
4,700 SHP Electric Motors, 2 Shafts
15.5 kt surfaced speed
16 kt submerged speed
13,500 nm at 10 kts surfaced endurance
144 nm at 3 kt submerged endurance
700 ft Test Depth
83 Crew

Weapons:
6 x 21” TT Bow (22 Torpedoes)
2 x 21” TT Stern (4 Torpedoes)

SS 580 Barbel Class

219' 2” length
29' Beam
2,145 tons Surfaced Displacement
2,639 tons Submerged displacement
3,150 SHP Diesels, 2 Shafts
4,700 SHP Electric Motors, 2 Shafts
14 kt surfaced speed
18.5 kt submerged speed
14,000 nm at 10 kts surfaced endurance
306 nm at 3 kt submerged endurance
700 ft Test Depth
77 Crew

Weapons:
6 x 21” TT Bow (22 Torpedoes)

Experimental/Proposed/Cancelled Submarines

1955 BuShips Submarine LST (LSSTN) Sketch

565 ft LOA
81 ft Beam
8,000 tons Light Ship Displacement
8,700 tons surfaced displacement
26,000 tons submerged displacement
S5W reactor, 15,000 SHP
16 kt surfaced speed
12 kt submerged speed

Cargo Capacity:
500 tons
500 Troops

Weapons:
2 x 21” TT

Misc::
Draws only 3.5” of water forward when in landing trim and can land on a 1:50 slope.

1955 BuShips Submarine Oiler (SSON) Sketch (Single Hull)

670 ft LOA
63 ft Beam
11,100 tons Light Ship Displacement
31,200 tons submerged displacement
Nuclear Reactor, 45,000 SHP
20 kt submerged speed

Cargo Capacity:

Weapons:
2 x Countermeasures Launchers

1955 BuShips Submarine Oiler (SSON) Sketch (Twin Hull Side by Side)

450 ft LOA
94 ft Beam
11,100 tons Light Ship Displacement
31,200 tons submerged displacement
Nuclear Reactor, 45,000 SHP
20 kt submerged speed

Cargo Capacity:

Weapons:
2 x Countermeasures Launchers

1955 BuShips Submarine Carrier (CVSSN) Sketch

460 ft LOA
38 ft Beam
6,700 tons Light Ship Displacement
9,000 tons submerged displacement
Nuclear Reactor, 70,000 SHP
28 kt submerged speed

Cargo Capacity:
3 x Sea Dart Seaplane Fighters

Weapons:
6 x 21” TT with 22 torpedoes

1955 BuShips Submarine Ammo Ship Sketch

400 ft LOA
70 ft Beam
40 ft Draft
15,000 tons submerged displacement
12 kt submerged speed

Cargo Capacity:
2,000 tons of cargo (180 ft3 per ton)

Weapons:
6 x 21” TT with 22 torpedoes

1956 BuShips Seaplane Support Submarine Sketch

342 ft LOA
30 ft Beam
5,450 tons submerged
S5W reactor
20 kt submerged speed

Cargo Capacity:
180,000 gallons of liquid fuel
120,000 lbs of bombs
34 Passengers

Employment:
To support nuclear-powered seaplanes.

References:
The Fleet Submarine in the U. S. Navy: A Design and Construction History by John D. Alden
Cold War Submarines by Norman Polmar and K.J. Moore
US Submarines Through 1945 by Norman Friedman
US Submarines Post 1945 by Norman Friedman
US Amphibious Ships and Craft by Norman Friedman