The robust body is made of high quality alloy steel with σт = 1 GPa (10,000 kgf / cm²).

To simplify the installation of equipment, the boat was designed using zonal blocks, which made it possible to transfer a significant amount of work from the cramped conditions of the sub's compartments directly to the workshop.

After completion of the installation, the zonal unit is “rolled” into the hull of the boat and connected to the main cables and pipelines of the ship's systems.

[7][6] The boat has a developed vertical tail unit with a streamlined boule, in which the towed antenna is located.

[9] From June to September 1994, he performed combat service with the 608th naval crew under the command of A.A. Popov.

Since the end of June 2011,[10] he has been at the Zvyozdochka CS under repair and refurbishment according to Project 971M, which is scheduled to be completed in 2021, the ship will have to meet the requirements of the 4th generation nuclear submarine.