Nylon Tubular; 0.75in. Length; 0.250 OD; 0.125 ID; White
圆形垫片 无螺纹 - 尼龙 0.750"（19.05mm）3/4" 天然
得捷:
ROUND SPACER NYLON 3/4"
艾睿:
Spacer Unthreaded 3.2mm-ID 6.4mm-OD 19.1mm-LG Nylon 6
Allied Electronics:
Nylon Tubular; 0.750 in. Length; 0.250 OD; 0.125 ID; White