A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6110-01-367-2165
NSN 5920-01-018-1380
NSN 6110-00-518-2998
NSN 6130-01-155-2338
NSN 6320-01-198-4024
NSN 6145-01-463-3122
NSN 6645-01-434-0248
NSN 5975-00-482-3954
NSN 6620-01-633-8443
NSN 5855-00-466-2309
NSN
NSN 6645-01-311-9794