【RAF Electronic Hardware】M0538-4-AL,电路板硬件 - PCB 9mm, 4.3 ID, M4 ROUND METRIC SPACER
M0538-4-AL-7,METRIC ROUND SPACERCLEAR IRIDITE
M0538-4-B,METRIC ROUND SPACERPLAIN BRASS6M
M0538-4-B-12,METRIC ROUND SPACERCLEAR ZINCMET
【RAF Electronic Hardware】M0538-4-N,电路板硬件 - PCB 9mm, 4.3 ID, M4 ROUND METRIC SPACER
M0538-4-S,METRIC ROUND SPACERPLAIN STEEL6M
M0538-4-S-12,METRIC ROUND SPACERCLEAR ZINC6MM
【RAF Electronic Hardware】M0538-4-SS,电路板硬件 - PCB 9mm, 4.3 ID, M4 ROUND METRIC SPACER