A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 7035-01-614-7150
NSN 5975-01-134-9680
NSN 5999-01-506-7345
NSN 5985-00-799-6318
NSN 5930-00-471-2391
NSN 5930-00-180-3208
NSN 5990-01-246-2488
NSN 5925-01-394-4953
NSN 5930-01-125-2359
NSN 5950-00-089-7485
NSN 5985-01-657-5098
NSN 6645-01-538-3175