A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5950-01-434-5691
NSN 6240-00-777-1878
NSN 6150-00-599-0721
NSN 5965-01-318-9474
NSN 7035-00-252-7467
NSN 6110-01-424-0078
NSN 5920-01-218-5742
NSN 6650-00-885-3775
NSN 5835-01-232-6904
NSN 5996-01-335-2589
NSN 5999-01-030-1268
NSN 5835-01-242-9806