White rubber O ring with 3/8 inch (9.525 mm) inner diameter and standard 3/16 inch (5.556 mm) cross section.
Reference:
- Allied Leisure 264-8-100
- Bally R-243-2
- Gottlieb A-10217
- Jersey Jack Pinball (JJP) 25-006003-06-09
- Wico 19-008200
- Williams 23-6591