Alcance
                            This document applies to elastomer-mechanical parts, as defined in ISO 22749-1.This document specifies:—    approval procedure to be implemented by the customer;—    guidelines for qualification of the product with specified requirements;—    quality monitoring of rubber and rubber to metal parts in manufacture.This document does not apply to:—    rubber diaphragms for pneumatic suspension springs;—    elastic parts of buffing and drawgear springs;—    diaphragms, bellows and seals;—    hoses and tubings;—    transmission belts.