RDSC-48、RDSC-49、RDSC-50、RDSC-51、RDSC-52、RDSC-53、RDSC-54、RDSC-55、RDSC-56、RDSC-57、RDSC-69、RDSC-70、RDSC-71、RDSC-72 Washer Round Spacer Shoulder Washer 垫圈 垫片 华司
做为PC板与机板之绝缘使用。