Rubber Bumper 5/8", Yellow #23-6551

Yellow rubber bumper , 3/4" Outer Diameter  5/8" high with 3/16" center hole

Williams #23-6551 , #23A-6531 ,  #02-6551 , #02-6531 , #23A-6507 , #23A-6507-1, 23A-6538, #A-7248

Used on the following games:

Big Guns, Dr. Dude , Space Shuttle