A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-133-8742
NSN 5965-01-199-3318
NSN 5950-00-133-5287
NSN 5835-01-592-2350
NSN 5960-00-683-7476
NSN 6240-01-242-2292
NSN 6135-01-581-8843
NSN 5905-00-956-9172
NSN 5930-00-809-0456
NSN 6610-01-057-7474
NSN 6145-01-181-5936
NSN 5999-01-421-3388