A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6145-01-379-9717
NSN 5855-00-987-1171
NSN 6130-01-519-2620
NSN 5920-00-006-1919
NSN 6650-01-465-5362
NSN 5910-00-891-2647
NSN 5925-01-135-5272
NSN 6110-00-539-0422
NSN 6650-01-522-2391
NSN 5895-01-327-3000
NSN 6610-01-541-5034
NSN 5915-01-508-1561