90.60 Close of review Sep 3, 2026
ISO
ISO/TC 131/SC 4 Connectors and similar products and components
International Standard
23.100.40 Piping and couplings
Published
Specifies dimensions for ports with ISO 261 threads and elastomeric (type E) or metal-to-metal (type B) sealing for general use and in fluid power applications with the stud ends detailed in ISO 9974-2 and ISO 9974-3. It also specifies test methods and the designation of these ports.
PUBLISHED
ISO 9974-1:1996
90.60
Close of review
Sep 3, 2026
ABANDON
ISO/CD 9974-1