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 5965-01-214-6225
NSN 6145-00-752-2038
NSN 6650-01-527-6918
NSN 6135-00-209-6918
NSN 6685-00-853-6463
NSN 5945-00-244-4534
NSN 5930-01-454-6073
NSN 5835-00-707-6266
NSN 5925-01-630-3990
NSN 5945-01-534-3664
NSN 6620-00-803-2346
NSN 5915-01-573-3925