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 6110-01-227-8597
NSN 6240-01-567-3911
NSN 5960-00-901-0320
NSN 5985-00-518-7252
NSN 5999-00-136-7120
NSN 5920-01-513-0858
NSN 5920-01-043-4848
NSN 6645-01-400-2119
NSN 6130-00-012-3070
NSN 6145-00-683-5353
NSN 4140-00-203-9832
NSN 6145-01-528-9655