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ISO/AWI 6623-1

Internal combustion engines — Piston rings — Part 1: Scraper rings made of cast iron

General information

20.00     Jan 24, 2026

ISO

ISO/TC 22/SC 34

International Standard

Scope

This document specifies specifies the essential dimensional features of scraper rings made of cast iron types N, NM, E, and EM, having diameters from 30 mm up to and including 200 mm, used in reciprocating internal combustion engines for road vehicles and other applications.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6623:2013

NOW

PROJECT
ISO/AWI 6623-1
20.00 New project registered in TC/SC work programme
Jan 24, 2026