This International Standard specifies the structural types, basic parameters, technical requirements, test methods, inspection rules, marking, storage, and transportation of sheaves, loose gear of lifting appliances on ships. This International Standard is applicable to hot-rolled sheaves of lifting appliances on ships.
GSO ISO 16858:2016 history
2016GSO ISO 16858:2016 Ships and marine technology -- Loose gear of lifting appliances on ships -- Pulleys