The FESTO Connector piece 578299 is a pneumatic connector with an external thread size of 4 mm. It is designed for secure and efficient connections in pneumatic systems. Typically used in industrial automation and machinery, this connector ensures reliable performance in various applications. https://elecena.pl/product/28245515/festo-578299-connector-piece-npqh-4-mm-external-thread 2025-04-07 https://elecena.pl/product/28245515/festo-578299-connector-piece-npqh-4-mm-external-thread 2026-06-19 https://elecena.pl/product/28245515/festo-578299-connector-piece-npqh-4-mm-external-thread 2026-08-05 https://elecena.pl/product/28245515/festo-578299-connector-piece-npqh-4-mm-external-thread 2026-08-28