A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-01-170-6501
NSN 5950-01-588-3406
NSN 5925-01-244-8950
NSN 5975-00-450-8975
NSN 5985-01-015-5547
NSN 5910-00-398-0930
NSN 5998-01-547-3113
NSN 5999-00-605-5718
NSN 5998-01-227-4849
NSN 5935-01-350-2189
NSN 6135-00-998-5884
NSN 6320-00-925-0558
Last Updated: 06/09/2025