Neptun-class submarine

Class overview
Name	Neptun-class
Builders	Kockums
Operators	Swedish Navy
Preceded by	Sjölejonet class
Succeeded by	Hajen class
Built	1942-43
Planned	3
Completed	3
Retired	3
General characteristics
Type	Submarine
Displacement	550 tonnes (surfaced) 730 tons (submerged)
Length	62.6 m (205 ft 5 in)
Beam	6.4 m (21 ft 0 in)
Draught	3.4 m (11 ft 2 in)
Propulsion	2 shaft diesel electric 2 MAN diesels 1,800 hp (1,300 kW) 2 electric motors 1,000 hp (750 kW)
Speed	15 kn (28 km/h; 17 mph) surfaced 10 kn (19 km/h; 12 mph) submerged
Complement	35
Armament	5 x 533 mm (21 in) torpedo tubes 1 x 40 mm (1.6 in) AA gun 1 x 20 mm (0.79 in) AA gun 20 mines

The Neptun-class submarine was a Swedish submarine class built by Kockums. The first submarine was launched in 1942 and a total of three submarines were built: HSwMS Neptun, HSwMS Najad and HSwMS Nacken. The class was decommissioned in 1966.

Ships

Name	Marking	Laid Down	Launched	Commissioned	Fate
Näcken	Nä	November 1941	26 September 1942	March 1943	Stricken 1 April 1966. Sold for scrap November 1970
Najad	Nj	February 1942	26 September 1942	May 1943	Stricken 1 April 1966. Sold for scrap November 1970
Neptun	Np	March 1942	17 November 1942	June 1943	Stricken 1 April 1966. Sold for scrap November 1970