USS K-7

K-7 underway at half speed on 3 October 1914, probably in the vicinity of San Francisco, California
History
United States
NameUSS K-7
BuilderUnion Iron Works, San Francisco, California
Laid down10 May 1912
Launched20 June 1914
Commissioned1 December 1914
Decommissioned12 February 1923
ReclassifiedSS-38, 17 July 1920
Stricken18 December 1930
FateSold for scrapping, 3 June 1931
General characteristics
TypeK-class submarine
Displacement
  • 392 long tons (398 t) surfaced
  • 520 long tons (528 t) submerged
Length153 ft 7 in (46.8 m)
Beam16 ft 8 in (5.1 m)
Draft13 ft 1 in (4.0 m)
Installed power
  • 950 bhp (710 kW) (diesel)
  • 340 hp (250 kW) (electric)
Propulsion
Speed
  • 14 knots (26 km/h; 16 mph) surfaced
  • 10.5 knots (19.4 km/h; 12.1 mph) submerged
Range
  • 3,150 nmi (5,830 km; 3,620 mi) at 11 knots (20 km/h; 13 mph) on the surface
  • 120 nmi (220 km; 140 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth200 feet (61.0 m)
Complement28 officers and enlisted men
Armament4 × bow 18 inch (450 mm) torpedo tubes

USS K-7 (SS-38) was a K-class submarine built for the United States Navy during the 1910s.

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