ISO 6621-4:1988

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

95.99 Withdrawal of Standard 14 tet 2003

General information

Current stage: 95.99 Effective date: 14 tet 2003

Originator: ISO

Owner: ISO/TC 22

Type: International Standard

ICS: 43.060.10

Scope

This part lays down the general characteristics of piston rings, individual dimensional criteria of which are specified as appropriate in the ISO publications cited in clause 0. Provides a system for coding, designation and marking of the piston rings. Applies to all rings up to and including 200 mm diameter covered by the above classification for both reciprocating internal combustion piston engines and compressors.

Life cycle

NOW

WITHDRAWN
ISO 6621-4:1988
95.99 Withdrawal of Standard
14 tet 2003

REVISED BY

WITHDRAWN
ISO 6621-4:2003

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