ISO 6624-4:2003
Internal combustion engines - Piston rings - Part 4: Half keystone rings made of steel

Standard No.

ISO 6624-4:2003

Release Date

2003

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 6624-4:2016

Latest

ISO 6624-4:2016

Scope

This part of ISO 6624 specifies the essential dimensional features of half keystone rings made of steel, types HK and HKB, having diameters of from 38 mm up to and including 160 mm, used in reciprocating internal combustion piston engines.

ISO 6624-4:2003 history

• 2016 ISO 6624-4:2016 Internal combustion engines - Piston rings - Part 4: Half keystone rings made of steel
• 2003 ISO 6624-4:2003 Internal combustion engines - Piston rings - Part 4: Half keystone rings made of steel