Sevruk designed the 3000 Kgf RD-013 engine that was mounted under the belly of a MIG-19 variant, the SM.12PMU, for testing. These aircraft had the Sorokin R3M-26 engines as normal propellants.

-The S3-42A engine, from 1954 and 17,000 Kgf is also assigned.

-Sevruk's first initials are D.D. Sevruk.

From Appendix 9: It is also known as Design Bureau OKB-2, or NII-8 and OKB-Zarya.

-Only one engine appears with this name at the moment: S-42A