M-511 whistle control unit (general ac operation)
NSN 6645-00-483-2981
NSN 5950-01-096-3152
NSN 6240-01-090-2280
NSN 5996-01-552-2502
NSN 2925-01-297-9759
NSN 6645-01-177-6021
NSN 6650-01-389-0225
NSN 5950-01-480-5386
NSN 5998-01-352-3570
NSN 5910-00-233-7567
NSN 5895-01-099-1515
NSN 5996-01-178-5272
Last Updated: 01/18/2025