M-511 whistle control unit (general ac operation)
NSN 5915-00-246-0596
NSN 6110-00-470-4696
NSN 6610-01-314-3659
NSN 5930-00-565-0046
NSN 5920-01-052-9152
NSN 5935-00-442-4748
NSN 6240-01-545-4554
NSN 6650-00-440-3537
NSN 5999-01-383-8427
NSN 6645-01-259-7142
NSN 5998-01-521-3757
NSN 7035-00-064-7008
Last Updated: 03/08/2025