ISO/WD 6624-4

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

General information

Current stage: 20.98 Project deleted Mar 15, 2024

Originator: ISO

Owner: ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids

Type: International Standard

Scope

ISO 6624-4:2016 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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6624-4:2016

NOW

ABANDON
ISO/WD 6624-4
20.98 Project deleted
Mar 15, 2024