902-4MM

Standoffs & Spacers Plastic Spcr 4mm Nylon White

Round Spacer Unthreaded Nylon 0.157" 4.00mm Natural

得捷:
ROUND SPACER NYLON 4MM

艾睿:
Spacer Round 0.81mm-ID 3.2mm-OD 4mm-LG Nylon ASTM D4066 PA225 Natural

Allied Electronics:
Nylon Tubular; 4 mm Length; 0.125 OD; 0.032 ID; White