7/8-9nc Hex.Hd.Cap Screw*4" lg.w/(2) Flat Washers and Hex.Lock Nut w/Nylon Insert

Question

1-8nc Hex.Hd.Cap Screw*4 1/2" lg..w/(2) Flat Washers and Hex.Lock Nut w/Nylon Insert 求翻译，这两个美制标准件不能完全看懂，求各路高手为小弟解答

Answer 1

flat washer是平垫片，hex，lock nut是六方锁母，nylon insert是母孔内的尼龙锁圈，hd是端部的，cap screw是碗型封堵，hex是六方的，