ISO-6621-4 › Internal combustion engines - Piston rings - Part 4: General specifications

ISO-6621-4 - 3RD EDITION - CURRENT
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ISO 6621-4:2015 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.

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Document Number

ISO 6621-4:2015

Revision Level

3RD EDITION

Status

Current

Publication Date

March 15, 2015

Committee Number

ISO/TC 22