A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5920-01-441-9363
NSN 5915-00-536-3379
NSN 6645-01-058-6260
NSN 6135-00-593-6831
NSN 5935-01-647-8043
NSN 5935-00-346-2738
NSN 6110-01-445-6347
NSN 6240-01-302-1624
NSN 5920-00-935-2275
NSN 6150-01-013-8459
NSN 5930-01-303-9316
NSN 5998-01-245-8668