Dvc (device number) 17-256-4
No other part numbers with same form, fit, and function found.
NSN 5835-00-518-4507
NSN 5935-00-925-4869
NSN 4140-01-430-2335
NSN 5920-01-470-5835
NSN 5920-01-385-5707
NSN 6105-01-555-8479
NSN 5945-00-198-6653
NSN 5855-01-195-2518
NSN 6105-00-057-2406
NSN 5930-01-581-1324
NSN 5915-01-502-0630
NSN 6145-00-551-5288