A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 6645-01-105-9757
NSN 6685-01-068-2127
NSN 5895-01-433-6325
NSN 6610-00-238-1693
NSN 5945-01-317-8660
NSN 7035-01-169-6551
NSN 6620-01-302-9729
NSN 7035-01-056-0047
NSN 6645-00-445-8143
NSN 5945-01-546-4654
NSN 5925-00-435-8391
NSN 5935-01-373-9210