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ISO/CD 6624-3

Internal combustion engines — Piston rings — Part 3: Keystone rings made of steel

General information

30.20     Jul 2, 2025

ISO

ISO/TC 22/SC 34

International Standard

Scope

ISO 6624-3:2017 specifies the essential dimensional features of keystone rings made of steel, types T, TB, TBA, TM, K, KB, KBA and KM, having diameters from 70 mm up to and including 160 mm, used in reciprocating internal combustion piston engines.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6624-3:2017

NOW

IN_DEVELOPMENT
ISO/CD 6624-3
30.20 CD study/ballot initiated
Jul 2, 2025

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