本标准规定了耐蚀钢，镀镉，主要用于飞行控制棒的径向锯齿的锁紧垫圈的特性。 这些锁紧垫圈旨在使杆端相对于杆体固定，同时允许精确的位置调整

This standard specifies the characteristics of lock washers in corrosion resisting steel, cadmium plated, with radial serrations primarily intended for flight control rods. These lock washers are intended to immobilise the rod end in relation to the rod body, whilst allowing a precise positional adjustment.