A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 4140-00-272-0943
NSN 6320-01-056-1164
NSN 5910-01-185-3021
NSN 5945-00-436-1875
NSN 5950-01-177-9546
NSN 6150-01-535-8501
NSN 6150-00-857-6896
NSN 5905-00-554-4325
NSN 6135-00-377-9165
NSN 6145-00-338-5645
NSN 6105-00-564-4140
NSN 5965-01-381-2527