NK-31
The tested Kuznetsov modification of NK-21 developed for the N1 fourth stage.
Identity
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- NK-31
- Status
- historical
Details
- Description
- The tested Kuznetsov modification of NK-21 developed for the N1 fourth stage.
- Developers
- Lineage
- Note
- Rostec identifies NK-31 as the modification developed from the N1 fourth-stage NK-21.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Nested value
- Manufacturers
- Propellants
- keroseneliquid oxygen
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 11:49:25 UTC
- Updated Time
- July 29, 2026 at 11:51:39 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- Rostec
- Title
- Moving upward: Kuznetsov space engines
- Accessed Date
- 2026-07-29
- Publisher
- Rostec
- Title
- Nikolai Kuznetsov and his engines, part II