Company item name--base, autocollimator
No other part numbers with same form, fit, and function found.
NSN 5935-01-420-0444
NSN 6150-01-110-5278
NSN 5960-00-171-9575
NSN 5975-00-444-7844
NSN 6240-01-366-2948
NSN 5999-01-166-5918
NSN 5965-01-121-2511
NSN 6150-01-495-2835
NSN 5998-00-727-8578
NSN 5920-00-274-6929
NSN 6220-01-186-0241
NSN 6110-01-589-4137