M0509-3-S-12,METRIC ROUND SPACERCLEAR ZINC4.5
【RAF Electronic Hardware】M0509-3-SS,电路板硬件 - PCB 10mm, 3.2 ID,, M3 ROUND METRIC SPACER
M0509-3-SS-20,METRIC ROUND SPACERPASSIVATE4.5M
M050960,CRYSTAL OVEN MINI 9V 60C
【RAF Electronic Hardware】M0510-25-AL,电路板硬件 - PCB 11mm, 2.7 ID, M2.5 ROUND METRIC SPACER
M0510-25-AL-7,METRIC ROUND SPACERCLEAR IRIDITE
M0510-25-B,METRIC ROUND SPACERPLAIN BRASS4.