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 6105-01-315-7883
NSN 5975-01-386-2875
NSN 5999-01-069-3528
NSN 6145-00-753-2264
NSN 5945-01-605-1480
NSN 6620-00-611-9935
NSN 7035-00-803-3056
NSN 6145-01-448-0832
NSN 5975-01-217-1581
NSN 5835-01-111-0969
NSN 6220-01-310-8741
NSN 5998-01-274-6310
Last Updated: 07/28/2025