A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-479-7908
NSN 5975-00-290-4285
NSN 4140-01-307-3143
NSN 6610-01-018-4428
NSN 6145-00-062-7897
NSN 2925-00-386-8730
NSN 5990-01-400-3299
NSN 5930-01-424-1436
NSN 6105-00-944-7591
NSN 6650-01-409-1992
NSN 5965-00-465-9566
NSN 6110-01-386-3093