M-511 whistle control unit (general ac operation)
NSN 5960-01-531-9108
NSN 5975-01-436-2333
NSN 5925-00-089-4438
NSN 6620-00-786-7049
NSN 6650-00-379-5434
NSN 6150-01-628-4329
NSN 5996-00-752-4317
NSN 5999-01-116-2638
NSN 6650-00-758-7485
NSN 5999-00-049-9713
NSN 6320-01-084-8821
NSN 5965-01-449-1855
Last Updated: 01/31/2025