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ISO 7320:2021

Aerospace — Couplings, threaded and sealed, for fluid systems — Dimensions

Publication date:   Jun 1, 2021

General information

90.60   Close of review   Sep 3, 2026

ISO

ISO/TC 20/SC 10 Aerospace fluid systems and components

International Standard

49.080   Aerospace fluid systems and components

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Scope

This 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 can be a standard O‑ring or a special ring.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7320:1992

NOW

PUBLISHED
ISO 7320:2021
90.60 Close of review
Sep 3, 2026