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 5935-00-532-2656
NSN 5965-01-643-1765
NSN 6135-01-100-3593
NSN 5990-00-174-6695
NSN 6650-01-388-2538
NSN 6620-01-532-4147
NSN 5835-01-412-6901
NSN 6220-01-633-8634
NSN 5965-00-111-2073
NSN 5996-00-865-7637
NSN 6105-01-388-3208
NSN 4140-01-515-9275
Last Updated: 07/04/2025