ISO 8641:1987

Aerospace — Self-locking nuts with maximum operating temperature greater than 425 degrees C — Procurement specification

Defines the requirements for metric nuts, with MJ thread. Applies to these nuts, provided that reference is made to this International Standard in the relevant definition document. Includes definitions, describes certification and quality assurance, technical requirements and test methods, qualification and acceptance tests, loads and torques to be applied, classification of visual and dimensional inspections and sampling plans.