A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6240-01-623-3798
NSN 5998-01-393-7929
NSN 6130-00-689-5268
NSN 5985-00-977-1248
NSN 5910-01-571-7621
NSN 6620-01-151-0620
NSN 7035-01-222-1484
NSN 5950-00-249-3636
NSN 5999-00-148-9072
NSN 5960-01-505-2426
NSN 6220-01-603-8811
NSN 6145-01-592-1351