A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5835-01-116-2369
NSN 6110-00-442-3497
NSN 5925-00-258-0065
NSN 6650-00-035-9297
NSN 5990-01-357-2453
NSN 5925-00-419-1950
NSN 5950-00-080-1630
NSN 5998-01-267-9978
NSN 6650-01-168-1659
NSN 5990-01-426-2037
NSN 6610-01-371-3006
NSN 5990-01-042-1984