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 6320-01-310-8068
NSN 7035-00-631-3782
NSN 6110-01-203-7760
NSN 5960-01-435-1167
NSN 6220-01-025-1373
NSN 5999-00-308-6517
NSN 5998-00-454-6642
NSN 5960-01-185-3831
NSN 5915-01-550-9489
NSN 6220-00-988-5311
NSN 5935-01-091-7368
NSN 5950-01-622-1616
Last Updated: 05/03/2025