Super-Bands™ polyurethane O-ring, standard 7/16" ID, black gloss.
Inner diameter is .44" (11.2mm) and the cross sectional diameter is standard 3/16" (4.7mm).
Reference:
39P-0716-K
Replaces these factory part numbers
Bally R-392
Capcom RB00108-04
Gottlieb A-17493
Jersey Jack Pinball (JJP) 25-002003-07-09
Marco 38-0716
Sega/Stern/Data East 545-5025-18
Stern S.P.I. 545-5025-03
Williams 23-6599
Super-Bands™ are modern polyurethane rings for pinball machines that play better and last longer than traditional pinball rubber. Tested by professional pinball players and commercial operators, Super-Bands™ are proven to reduce maintenance and increase playability in all pinball machines. Super-Bands™ are carefully engineered to maintain the same rebound, or bounce, of traditional soft 45-durometer rubber that pinball designers and professional players prefer.
Super-Bands™ have many advantages over traditional rubber O rings:
Durable: Advanced customized polyurethane compound is more resistant to abrasion, ozone, and ultraviolet light than traditional rubber.
Better Control: Super-Bands™ have equal to or better tactile response than standard rubber and allow for great ball control by any skill level player
Vibrant Colors: High-gloss surface with deep translucent colors look great on any game.
Lower Maintenance: Super-Bands™ are less porous and wipe clean with a cloth. They don’t absorb dirt like traditional rubber.