A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5998-01-147-5326
NSN 5990-01-632-0969
NSN 6150-01-543-4878
NSN 5855-01-068-3683
NSN 6645-01-559-4934
NSN 5910-01-481-4199
NSN 5950-00-104-7526
NSN 5998-00-189-4673
NSN 5895-01-205-6967
NSN 5950-00-188-3214
NSN 6150-00-518-1402
NSN 5915-01-461-8673