Coil
Atari solenoid coil used on outhole & slingshot kickers, pop bumpers, single drop target reset, as well as other assemblies.
See the parts diagrams for Kickout Hole Assembly A020996-03 as an example, along with Drop Target A020201-03, Slinshot A0206074-10, and Thumper BumperA020115-01/A020970-01/A007030-01