航空用紧固件由于其使用环境的特殊性，除基本性能必须符合的前提下，对紧固件的防松要求会比地面环境要求更高，同时还要满足检修更换的要求。不仅防松还要防锁死。另外航空件由于其高度集成的工艺设计，选择的紧固件应具备利于狭窄环境的装配使用。
Because of the particularity of the use occasions, aviation fasteners should have higher anti-loosening requirements than on the ground apart from the basic performance. They should also meet the requirements for maintenance and replacement. Besides, aviation fasteners should not only be anti-loose but also anti-lock. In addition, due to their highly integrated process design, the aviation fasteners should be suitable for assembly and use in narrow environments.
