A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 4140-00-826-9031
NSN 5985-01-460-2346
NSN 6240-01-083-0867
NSN 5950-00-193-0584
NSN 5985-01-628-1781
NSN 2925-01-161-7440
NSN 6620-01-025-4690
NSN 5960-01-085-7191
NSN 5925-01-444-0929
NSN 5895-00-475-2806
NSN 6110-00-820-6264
NSN 6620-01-391-7331