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Special purpose submarine
Russian submarine Sarov is a special purpose submarine originating in Russia. It was built by Krasnoye Sormovo Shipyard Sevmash Shipyard.
RussiaTechnical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 98 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 98 m | Wikipedia contributors | approved |
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Sarov
Sarov
Russian Navy
Krasnoye Sormovo Shipyard Sevmash Shipyard
1989
17 December 2007
7 August 2008
In service
Special purpose submarine
Surfaced: 2300 tons Submerged: 3950 tons
98 m
7 m
Nuclear reactor
Kristall-27 electrochemical generator
10–17 knots (19–31 km/h; 12–20 mph)
45 days
300 metres (980 ft)
52
2 x 650-mm torpedo tubes (?) and/or specialized torpedo tube for Status-6 Weapon
B-90 Sarov also referred to as Sarov class , Russian designation Project 20120 Sargan , is a Russian special purpose diesel-electric submarine that uses a nuclear reactor as a supplementary power generator.
Name Sarov
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Russian submarine Sarov equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
RussiaNavy exact named Sarov (Project 20120) equipment holdings under LOGISTICS AND SUPPORT, SSA. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. This is the named service only, not a national or parent-force total, factory production, ordered future units or combat-readiness measure. Weapons per vessel, crews, payloads and capacity counts are excluded. Only the one exact Project20120 Sarov is included. Nuclear power equipment, test torpedoes and status6 weapons are not additional submarines.