| Futlyar | |
| Origin: | Russia |
| Type: | Heavyweight dual-purpose ASW and ASuW torpedo |
| Is Ranged: | yes |
| Is Missile: | yes |
| Service: | 2017 |
| Used By: | Russia |
| Designer: | St. Petersburg Research Institute of Marine Engineering |
| Manufacturer: | Dagdizel |
| Length: | 7.2m (23.6feet) |
| Diameter: | 533mm |
| Filling: | High explosive |
| Filling Weight: | 300 kg |
| Detonation: | Proximity or contact detonation |
| Engine: | gas-turbine with pump-jet |
| Vehicle Range: | 50 km |
| Speed: | 50 kn |
| Guidance: | Wire, active and passive acoustic/wake homing |
| Propellant: | Otto fuel II |
| Depth: | 500 meters |
| Launch Platform: | Submarine |
Futlyar (Fizik-2) is a Russian deep-water homing torpedo tested by the Russian Navy in 2017; it entered service in the same year. Developed by the Saint Petersburg Research Institute of Marine Engineering and produced by the Dagdizel Machine-Building Factory, it will replace the UGST (Fizik-1.) Futlyar is a wire-guided, combustion-driven torpedo with a top speed about 50kn and a maximum depth capability of more than 500m (1,600feet). It would be able to hit targets at a range of about 50km (30miles). It will first equip the new Borei and Yasen classes of nuclear submarines.[1] [2] [3]