A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6135-00-826-4798
NSN 5985-00-078-7791
NSN 6645-01-062-6705
NSN 5965-01-493-4060
NSN 6320-01-046-5228
NSN 5855-01-473-6076
NSN 5920-00-950-2875
NSN 2925-01-259-7092
NSN 4140-01-367-8058
NSN 6650-01-137-1685
NSN 5855-00-906-5386
NSN 5935-00-582-1455