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 4140-01-589-7837
NSN 6150-00-558-2629
NSN 5999-01-492-8401
NSN 5915-01-104-4977
NSN 5965-00-261-8086
NSN 5998-01-418-1057
NSN 5990-01-498-0641
NSN 5950-01-178-9629
NSN 5998-00-324-6409
NSN 5915-00-908-1184
NSN 5965-00-153-5216
NSN 5935-01-170-4884