| Mark 37 torpedo | |
|---|---|
 Mark 37 torpedo at the German Marine Museum Wilhelmshaven | |
| Type | Acoustic torpedo[1] |
| Place of origin | United States |
| Service history | |
| In service | 1956[1]-1972 |
| Used by | United States Navy Israeli Navy Royal Netherlands Navy |
| Production history | |
| Designer | Westinghouse Electric[1] Underwater Sound Laboratory, Harvard University Ordnance Research Laboratory, Pennsylvania State University |
| Designed | 1946[1] |
| Manufacturer | Naval Ordnance Station Forest Park[1] |
| Variants | Mark 37 Mod 1[1] Mark 37 Mod 2 Mark 37 Mod 3 NT37C NT37D NT37E NT37F |
| Specifications | |
| Mass | 1,430 pounds (650 kg)[1] |
| Length | 135 inches (3.4 m)[1] |
| Diameter | 19 inches (480 mm)[1] (21-inch guide rails) |
| Effective firing range | 23,000 yards (21 km) at 17 knots, 10,000 yards (9.1 km) at 26 knots |
| Warhead | Mk 37 Mod 0, HBX-3[1] |
| Warhead weight | 330 pounds[1] |
Detonation mechanism | Mk 19 contact exploder |
| Engine | Electric[1] |
| Maximum speed | 17 knots (31 km/h), 26 knots (48 km/h) |
Guidance system | Gyroscope (initial), passive sonar (cruise) and Doppler active sonar homing (terminal) [1] |
Launch platform | Submarines[1] |
The Mark 37 torpedo is a torpedo with electrical propulsion, developed for the US Navy after World War II. It entered service with the US Navy in the early 1950s, with over 3,300 produced. It was phased out of service with the US Navy during the 1970s, and the stockpiles were sold to foreign navies.