PLATE LOCK PISTON; MATERIAL: ALLOY STEEL; EXPLANATORY NOTE: THE DEFINITIONS OF SIZE AND PROCESS PRECISION CORRESPOND TO AN INTERNAL CLASSIFICATION OF THE MATERIALS STANDARDIZATION SECTOR; THE SUPPLIER MUST EXECUTE THE PART IN ACCORDANCE WITH WHAT IS INDICATED AND REQUIRED IN THE MENTIONED DRAWING; EQUIPMENT OWNED: HEID-FACU LATHE; PROCESS PRECISION: HIGH; SMW INDEXABLE PLATE