本详细规范定义了光纤熔接器，可用于安装和维修各种光纤和电缆，且几乎没有插入损耗，尤其是在航空航天应用中，但不适用于易燃或易爆环境（II型）。本规范和最新版本的AS6479应包含获取本文所述拼接器的要求。

This detail specification defines fiber optic fusion splicers acceptable for the installation and repair of a wide range of optical fibers and cables with virtually no insertion loss, particularly in aerospace applications, but not in flammable or explosive atmospheres (Type II). The requirements for acquiring the splicer described herein shall consist of this specification and the latest issue of AS6479.