1900-632-AL,ROUND STANDOFFPLAIN ALUMINUM1/2
1900-632-B,ROUND STANDOFFPLAIN BRASS1/2 RD
1900-632-N,ROUND STANDOFFNO FINISH - NYLON1
1900-632-PH,ROUND STANDOFFNO FINISH - PHENOL
1900-632-S,ROUND STANDOFFPLAIN STEEL1/2 RD
1900-632-SS,ROUND STANDOFFPLAIN STAINLESS ST
【Portescap】190-0636-001,
【3M】1900-6X8,
