A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 2925-00-477-2654
NSN 6320-01-331-1783
NSN 5905-00-804-7778
NSN 5990-01-390-2177
NSN 6645-00-758-4567
NSN 5990-01-115-9488
NSN 5910-00-727-2555
NSN 5910-01-323-6922
NSN 5960-00-626-3644
NSN 5925-00-256-3486
NSN 6240-01-397-8713
NSN 5915-01-651-5390