A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 7035-01-136-7404
NSN 5998-01-362-3115
NSN 5999-01-462-0180
NSN 5915-01-336-5544
NSN 5945-00-583-8600
NSN 5965-01-019-0939
NSN 5925-00-703-1804
NSN 7035-00-421-0468
NSN 6240-00-159-4403
NSN 5960-01-383-6262
NSN 4140-00-145-7334
NSN 6685-01-538-7333