A rounded or cone shaped device, generally made of rubber and used as the stopper for a water closet tank.
NSN 5925-01-350-3646
NSN 5905-00-222-5051
NSN 5935-01-555-7828
NSN 6610-00-137-6532
NSN 5905-01-106-4480
NSN 5975-00-935-5946
NSN 6610-01-010-3915
NSN 6240-00-364-0850
NSN 6135-00-753-2276
NSN 5990-01-463-2279
NSN 6650-00-717-8913
NSN 5855-01-614-5237