【NORGREN】180280806,
【WEIDMULLER】1802810000,WZAD 240
18028-2,WASHER,FLAT
1802830000,BLZ 5.08/02/180F SN OR BX
1802-832-AL,ROUND STANDOFFPLAIN ALUMINUM5/16
1802-832-B,ROUND STANDOFFPLAIN BRASS5/16 RD
1802-832-N,ROUND STANDOFFNO FINISH - NYLON5
1802-832-PH,ROUND STANDOFFNO FINISH - PHENOL