A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-00-543-0741
NSN 5855-01-074-3335
NSN 6150-01-027-4866
NSN 6240-01-529-8452
NSN 6650-01-345-4306
NSN 5920-01-480-3697
NSN 6110-01-478-4789
NSN 6150-01-030-6184
NSN 6130-01-447-8758
NSN 5930-00-704-8207
NSN 6105-00-551-3747
NSN 6645-00-837-2267