A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5835-00-283-2814
NSN 5855-00-145-3307
NSN 5920-01-640-9556
NSN 5965-01-318-8138
NSN 5998-00-467-0076
NSN 6610-01-601-3944
NSN 6150-00-546-7943
NSN 5920-01-435-5091
NSN 5920-01-401-5315
NSN 6320-00-382-7825
NSN 5985-01-411-6301
NSN 6645-01-211-6502