The document establishes a system for sealing the port connection of couplings used in the aerospace industry. It specifies dimensions to achieve interchangeability of the port connection, the fitting end and a seal. The seal may be a standard O-ring or a special ring.#,,#
DIN ISO 7320:1996 history
2023DIN ISO 7320:2023-08 Aerospace - Couplings, threaded and sealed, for fluid systems - Dimensions (ISO 7320:2021); Text in German and English
1970DIN ISO 7320 E:2023-03 Aerospace - Couplings, threaded and sealed, for fluid systems - Dimensions
2023DIN ISO 7320:2023 Aerospace - Couplings, threaded and sealed, for fluid systems - Dimensions (ISO 7320:2021); Text in German and English
1996DIN ISO 7320:1996 Aerospace - Couplings, threaded and sealed, for fluid systems - Dimensions (ISO 7320:1992)