Dvc (device number) 17-256-9
No other part numbers with same form, fit, and function found.
NSN 5835-01-432-1277
NSN 5945-01-381-1089
NSN 7035-01-029-7221
NSN 6620-01-013-5432
NSN 5975-01-400-4204
NSN 5925-00-167-0592
NSN 5985-01-243-5306
NSN 6620-00-740-3699
NSN 5999-01-537-6103
NSN 6145-00-233-7473
NSN 5990-00-711-1739
NSN 5998-01-265-4058