A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-01-471-0391
NSN 5905-01-271-4698
NSN 6320-01-305-5881
NSN 5996-00-389-0065
NSN 6110-00-227-8855
NSN 6610-00-005-4452
NSN 5996-01-613-1207
NSN 6610-01-381-3181
NSN 5910-01-413-7915
NSN 6110-01-437-6223
NSN 5910-00-586-2641
NSN 6650-00-107-8509