Project 690 Kefal
Project 690
| Type |
SS |
| Soviet designation |
PL |
| NATO reporting name |
Bravo |
| Country |
USSR |
| Displacement (t) |
2,500 |
| Length (m) |
69.7 |
| Beam (m) |
8.8 |
| Draft (m) |
6.0 |
| Height (m) |
8.8 |
| Max speed submerged (kn) |
20.0 |
| Max speed surfaced (kn) |
16.8 |
| Max safe depth (m) |
270 |
| Endurance (days) |
15 |
| Diesel-electric |
Yes |
| Titanium hull |
No |
| Class year |
1967 |
Individual hulls (4)
| Name |
Short name |
Country |
Commissioned |
Decommissioned |
Remark |
| S-226 |
S-226 |
USSR |
1968-12-30 |
2004-12-29 |
|
| S-256 |
S-256 |
USSR |
1968-12-29 |
1997-01-01 |
|
| S-310 |
S-310 |
USSR |
1970-10-31 |
1998-03-16 |
|
| S-368 |
S-368 |
USSR |
1967-12-31 |
1992-03-19 |
|