A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6220-01-492-4470
NSN 5935-01-463-2200
NSN 6150-00-773-5147
NSN 4140-01-437-0955
NSN 6130-01-193-8992
NSN 5965-01-023-0809
NSN 6240-00-922-5042
NSN 6645-01-210-8180
NSN 6320-01-172-6103
NSN 6150-01-612-5619
NSN 6650-01-348-6623
NSN 5920-01-263-2781