A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5996-01-449-7131
NSN 6145-01-634-0388
NSN 5905-01-562-4121
NSN 6645-01-595-4323
NSN 5996-00-406-4951
NSN 5960-00-257-4203
NSN 6220-00-139-3026
NSN 5930-01-654-4435
NSN 5935-01-403-2844
NSN 5925-00-525-4037
NSN 6130-00-202-4688
NSN 5930-01-181-6221