A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5965-00-424-9636
NSN 6620-00-862-5567
NSN 5999-01-654-4006
NSN 5905-00-292-1113
NSN 6130-01-508-7732
NSN 6320-00-391-5906
NSN 6145-01-393-4248
NSN 5985-01-372-2211
NSN 6220-00-298-9302
NSN 5990-01-126-5824
NSN 2925-01-532-2477
NSN 5975-00-358-7916