ISO standards download ISO 5858:1999 pdf download – Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Procurement specification ISO 5858:1999 pdf download - Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Procurement specification. 3.15 self-locking torque torque to be applied to the nut or bolt to maintain... 02-19 Download Now