Common pop bumper body used on many brands of electromechanical and early solid state pinball machines
Reference:
Atari pop bumper 006065-01
Bally C-114-3
Bally assembly ASE-2222-4
Brunswick 55-101015-000
Chicago Coin Machine 16511
Data East 545-5099-00
Gottlieb 8897
Midway 0017-00042-0122
Stern 4A-112-W
Williams 3A-6008
Williams 03-9675