1989-2520-AL,ROUND STANDOFFPLAIN ALUMINUM5/8
1989-2520-B,ROUND STANDOFFPLAIN BRASS5/8 RD
1989-2520-N,ROUND STANDOFFNO FINISH - NYLON5
1989-2520-PH,ROUND STANDOFFNO FINISH - PHENOL
1989-2520-S,ROUND STANDOFFPLAIN STEEL5/8 RD
1989-2520-SS,ROUND STANDOFFPLAIN STAINLESS ST
1989270-1,CONNECTOR
1989278-1,TIMER RELAY FOR RADIO