A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6320-00-160-0899
NSN 5975-00-231-5927
NSN 5835-00-787-8122
NSN 6645-00-300-0401
NSN 5920-00-351-8428
NSN 5835-01-525-3220
NSN 5999-00-451-7627
NSN 5996-01-461-0331
NSN 6135-01-026-9960
NSN 5999-00-151-9955
NSN 5855-01-444-4859
NSN 5998-00-286-3590