1538-B-4-B,1/4 RD X 9/16 X .115 ID
1538-B-4-B-15,ROUND SWAGE SPACERHOT TIN DIP1/4
1538-B-4-B-5,ROUND SWAGE SPACERNICKEL SWAGE S
1538-B-4-S,ROUND SWAGE SPACERPLAIN STEEL1/4
1538-B-4-SS,ROUND SWAGE SPACERPLAIN STAINLES
1538-B-6-AL,1/4 RD X 9/16 X .140 ID
1538-B-6-AL-6,ROUND SWAGE SPACERGOLD IRIDITE1/
1538-B-6-AL-7,ROUND SWAGE SPACERCLEAR IRIDITE1