5RC Red High-Power LED, 700nm 5mm T-13/4, Dome Lens Through Hole package
圆形垫片 无螺纹 - 尼龙 0.160"（4.06mm） 天然
得捷:
ROUND SPACER NYLON 4.06MM
艾睿:
Spacer Round 2.2mm-ID 3.8mm-OD 4.1mm-LG Nylon ASTM D4066 PA225 Natural
Allied Electronics:
5RC Red High-Power LED, 700 nm 5mm T-13/4, Dome Lens Through Hole package