937-4MM, 4mm High Nylon Round Spacer with 3.2mm Diameter and 2.3mm Bore Diameter
圆形垫片 无螺纹 #2 尼龙 0.063"（1.60mm）1/16" 天然
得捷:
ROUND SPACER #2 NYLON 1/16"
艾睿:
Spacer Round 2.3mm-ID 4.7mm-OD 1.6mm-LG Nylon ASTM D4066 PA225
Allied Electronics:
Nylon Tubular; 0.062 in. Length; 0.187 OD; 0.091 ID; #2 Screw Size; White