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.
PUBLISHED
ISO 5858:1999
PROJECT
ISO 5858
60.00
Standard under publication
Apr 18, 2026