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ISO 5858:1999
Aerospace -- Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C -- Procurement specification
This International Standard specifies the required characteristics for metric self-locking nuts, with MJ threads, for use in aerospace construction at a maximum temperature less than or equal to 425 °C.
It is applicable to nuts as defined above, provided that reference is made to this International Standard in the relevant definition document.
International Organization for Standardization [iso]