A cup-shaped metallic item used on navigational marker buoys. It is designed to be mounted on a stand or bell tower and generally operated by bell tappers, suspended from a tower, striking outer surface to produce a warning sound.
NSN 5935-01-283-1207
NSN 5910-00-820-1908
NSN 5999-01-555-4097
NSN 5920-01-062-2209
NSN 5935-00-734-7578
NSN 5925-01-266-7813
NSN 5920-01-097-5447
NSN 5985-01-309-1112
NSN 6220-00-751-9709
NSN 5905-01-361-5503
NSN 6130-00-469-7025
NSN 6320-00-228-5678