ISO 6621-4:2024

Internal combustion engines — Piston rings — Part 4: General specifications

OVERVIEW

This document specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation, and marking. It is applicable to all such rings of a nominal diameter from 30 mm up to and including 200 mm.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 2024
No. of Pages 28
ICS Classification 43.060.10 Engine block and internal components
Committee ISO/TC 22/SC 34
Available for Purchase For sale in Singapore only
Adoption ISO : 0