ISO 8642:1986

Aerospace — Self-locking nuts with maximum operating temperature greater than 425 degrees C — Test methods

Includes procedures for metric nuts with MJ threads and describes the test device and the method for each test. Other test devices or test procedures than those specified herein may be used. Shall be used in conjunction with the procurement specification laid down in ISO 8641. Applies to these nuts, provided that the relevant documents refer to this International Standard.