A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5895-00-235-4520
NSN 5935-01-444-4435
NSN 7035-00-018-0350
NSN 6150-01-244-6997
NSN 6610-01-115-9171
NSN 6320-01-249-3236
NSN 6320-00-857-4073
NSN 5999-01-153-2661
NSN 6135-01-430-3119
NSN 5950-01-236-7022
NSN 5985-01-265-3744
NSN 6150-00-172-0431