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 6685-00-159-6020
NSN 5835-00-051-9092
NSN 4140-01-464-3231
NSN 6105-01-270-1494
NSN 6645-01-495-0939
NSN 6130-01-119-5588
NSN 6320-01-407-4411
NSN 5855-01-606-3587
NSN 5930-01-299-8566
NSN 5925-00-020-8917
NSN 2925-01-228-6554
NSN 6320-01-021-6633