A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 2925-01-054-3190
NSN 6135-01-174-2467
NSN 5855-01-567-0096
NSN 6130-01-129-7070
NSN 5985-01-615-1657
NSN 6645-01-476-3315
NSN 5895-00-042-5719
NSN 5930-00-193-4685
NSN 6685-00-965-5438
NSN 5895-00-968-8605
NSN 6620-01-407-8253
NSN 6220-00-368-4945