A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-01-577-7015
NSN 5960-00-441-0832
NSN 6645-01-289-0376
NSN 6135-00-351-8606
NSN 6105-00-245-2587
NSN 6130-00-167-7584
NSN 5950-00-089-0308
NSN 5985-01-032-4818
NSN 5975-01-554-6088
NSN 6650-01-585-1716
NSN 5960-01-357-1261
NSN 6105-01-386-9362