ISO 6624-4

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

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Organization:	ISO
Publication Date:	15 February 2016
Status:	active
Page Count:	28
ICS Code (Engine block and internal components):	43.060.10

scope:

This part of ISO 6624 specifies the essential dimensional features of half keystone rings made of steel, types HK, HKB and HKBA, having nominal diameters from 50 mm up to, and including, 160 mm, used in reciprocating internal combustion piston engines for road vehicles and other applications

Document History

ISO 6624-4

February 15, 2016

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

ISO 6624-4

October 1, 2003

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

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References

This document references:

ISO 6626-3 - Internal combustion engines — Piston rings — Part 3: Coil-spring-loaded oil control rings made of steel

Published by ISO on September 1, 2019

This document specifies the essential dimensions of coil-spring-loaded oil control rings made of steel, of piston ring types SOR (with R-shaped groove) and SOV (with V-shaped groove). This document...

This document references:

ISO 6626-2 - Internal combustion engines - Piston rings - Part 2: Coil-spring-loaded oil control rings of narrow width made of cast iron

Published by ISO on August 1, 2013

This part of ISO 6626 specifies the essential dimensional features of coil-spring-loaded oil control rings made of cast iron, types DSF-C, SSF, GSF, DSF, SSF-L, DSF-NG and DSF-CNP. It is applicable...

This document references:

DIS 6626-1 - Internal combustion engines — Piston rings — Part 1: Coil spring loaded oil control rings made of cast iron

Published by ISO on December 16, 2021

This document specifies the essential dimensional features of coil spring loaded oil control rings made of cast iron, types DSF-C, DSF-CNP, SSF, GSF, DSF, DSF-NG and SSF-L. It is applicable to piston...

This document references:

ISO 6621-5 - Internal combustion engines — Piston rings — Part 5: Quality requirements

Published by ISO on January 1, 2020

This document specifies quality aspects that can be defined but that are not normally found on a drawing specification. It covers the following: — single‑piece piston rings of grey cast iron or...

This document references:

ISO 6621-1 - Internal combustion engines - Piston rings - Part 1: Vocabulary

Published by ISO on February 1, 2018

This document defines the most commonly used terms for piston rings. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings. The terms and...

This document references:

ISO 1101 - Geometrical product specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, location and run-out

Published by ISO on February 1, 2017

This document defines the symbol language for geometrical specification of workpieces and the rules for its interpretation. It provides the foundation for geometrical specification. The illustrations...

This document references:

ISO 6621-3 - Internal Combustion Engines - Piston Rings - Part 3: Material Specifications

Published by ISO on September 1, 2000

This part of ISO 6621 classifies materials intended for the manufacture of piston rings, based on their mechanical properties and the stresses the materials are capable of withstanding. This part of...

This document references:

ISO 6621-2 - Internal combustion engines — Piston rings — Part 2: Inspection measuring principles

Published by ISO on March 1, 2020

This document defines the measuring principles to be used for measuring piston rings; it applies to piston rings up to and including 200 mm diameter for reciprocating internal combustion engines....

This document references:

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

Published by ISO on March 15, 2015

This part of ISO 6621 specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria...

This document references:

ISO 6621-1 - Internal combustion engines - Piston rings - Part 1: Vocabulary

Published by ISO on February 1, 2018

This document defines the most commonly used terms for piston rings. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings. The terms and...

This document references:

ISO 6621-2 - Internal combustion engines — Piston rings — Part 2: Inspection measuring principles

Published by ISO on March 1, 2020

This document defines the measuring principles to be used for measuring piston rings; it applies to piston rings up to and including 200 mm diameter for reciprocating internal combustion engines....

This document references:

ISO 6621-3 - Internal Combustion Engines - Piston Rings - Part 3: Material Specifications

Published by ISO on September 1, 2000

This document references:

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

Published by ISO on March 15, 2015

This document references:

ISO 6621-5 - Internal combustion engines — Piston rings — Part 5: Quality requirements

Published by ISO on January 1, 2020

This document references:

ISO 6626-2 - Internal combustion engines - Piston rings - Part 2: Coil-spring-loaded oil control rings of narrow width made of cast iron

Published by ISO on August 1, 2013