A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5996-00-401-8063
NSN 6620-01-315-1857
NSN 6145-01-612-8905
NSN 5998-01-044-2702
NSN 5945-01-104-3931
NSN 6145-00-964-7466
NSN 7035-00-834-2090
NSN 5835-01-474-1224
NSN 5855-01-318-7663
NSN 6240-01-517-2994
NSN 6685-00-455-9941
NSN 5985-00-905-2633