Back-up time standard, used on b2 aircraft, retains time in attu units which are constantly updated from gps satelites.
No other part numbers with same form, fit, and function found.
NSN 6320-00-937-5625
NSN 5996-01-225-8507
NSN 5930-01-195-3780
NSN 5945-01-050-7283
NSN 5960-01-331-1076
NSN 5990-01-152-3974
NSN 6650-01-569-5643
NSN 5996-01-204-0675
NSN 5975-00-137-0377
NSN 6220-01-560-8821
NSN 5835-00-564-0057
NSN 5835-01-067-0075
Last Updated: 05/24/2025