1638-256-AL-6,ROUND STANDOFFGOLD IRIDITE3/16 R
1638-256-AL-7,ROUND STANDOFFCLEAR IRIDITE3/16
1638-256-B,ROUND STANDOFFPLAIN BRASS3/16 RD
1638-256-B-12,ROUND STANDOFFCLEAR ZINC3/16 RD
1638-256-B-5,ROUND STANDOFFNICKEL 3/16 RD X 9
1638-256-N,ROUND STANDOFFNO FINISH - NYLON3
1638-256-PH,ROUND STANDOFFNO FINISH - PHENOL
1638-256-S,ROUND STANDOFFPLAIN STEEL3/16 RD
