# piston ring

> split ring that fits into a groove on the outer diameter of a piston in a reciprocating engine

**Wikidata**: [Q1127214](https://www.wikidata.org/wiki/Q1127214)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Piston_ring)  
**Source**: https://4ort.xyz/entity/piston-ring


## References

1. Freebase Data Dumps. 2013
2. Quora
3. KBpedia
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)