A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5965-01-224-9756
NSN 6135-01-383-1910
NSN 6130-01-321-5855
NSN 6220-01-634-0660
NSN 5950-00-111-8588
NSN 5996-01-114-0814
NSN 5999-00-840-7204
NSN 6610-01-633-8931
NSN 6320-00-701-0437
NSN 6150-00-978-7338
NSN 5996-01-485-3840
NSN 5935-01-094-4537