A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5930-01-388-9750
NSN 5935-00-503-7071
NSN 5975-00-224-4620
NSN 5905-00-932-4648
NSN 6645-00-456-7653
NSN 5996-00-416-8877
NSN 6135-00-801-3493
NSN 5930-01-069-0390
NSN 5960-00-906-2149
NSN 6650-01-024-9554
NSN 5910-00-261-6838
NSN 5960-01-279-2589