A saucer-shaped metallic item used on navigational marker buoys. It is designed to be mounted on a stand and generally operated by gong tappers, suspended from a tower, striking outer surface to produce a warning sound.
NSN 4140-01-158-6507
NSN 5999-00-202-0788
NSN 5920-00-246-5992
NSN 6105-00-448-6927
NSN 5945-00-411-3690
NSN 6645-00-809-9833
NSN 5910-01-010-4626
NSN 5905-01-070-2000
NSN 5925-01-005-9799
NSN 5975-01-270-7361
NSN 5925-01-358-2662
NSN 5905-01-043-8034