A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5990-01-067-6015
NSN 5998-01-377-5853
NSN 5985-01-512-1486
NSN 5835-01-329-4814
NSN 5985-00-446-6132
NSN 5998-00-343-0732
NSN 5920-00-422-5381
NSN 5920-01-083-9912
NSN 5996-01-113-0377
NSN 6685-01-200-4652
NSN 5910-01-441-2301
NSN 4140-01-244-0548