A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5895-01-514-2948
NSN 5930-00-244-0171
NSN 6135-01-062-9356
NSN 5990-01-261-2962
NSN 5950-01-158-4148
NSN 5905-01-400-5968
NSN 5945-01-600-9577
NSN 5998-01-640-7207
NSN 6685-01-528-5316
NSN 7035-01-317-7186
NSN 7035-01-351-4111
NSN 2925-00-636-4026