A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5990-01-455-8035
NSN 5985-00-897-9961
NSN 5965-01-179-3174
NSN 6620-01-042-2046
NSN 6320-01-106-4414
NSN 6645-01-245-8390
NSN 6150-01-013-4808
NSN 5950-01-528-7982
NSN 6685-01-420-5764
NSN 5945-01-057-2646
NSN 5998-00-905-6772
NSN 5855-01-063-1692