M-511 whistle control unit (general ac operation)
NSN 5999-01-486-4109
NSN 5985-00-526-3469
NSN 6145-01-604-3295
NSN 5895-01-152-1947
NSN 6240-01-181-9565
NSN 5925-01-585-9699
NSN 5985-01-198-2545
NSN 5910-00-816-9909
NSN 5935-01-378-6436
NSN 6240-01-437-6680
NSN 6135-00-223-9563
NSN 6145-01-258-0701
Last Updated: 02/21/2025