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 5960-00-222-6174
NSN 5999-01-371-8767
NSN 5905-01-302-8936
NSN 6145-01-152-2417
NSN 7035-01-495-2253
NSN 5930-01-434-2156
NSN 6105-01-365-1386
NSN 6150-01-476-7430
NSN 5950-00-544-9861
NSN 6645-00-300-0401
NSN 5835-00-969-5771
NSN 5930-01-400-6126