A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-00-120-8740
NSN 5950-01-377-3298
NSN 5950-01-025-9757
NSN 7035-00-830-1235
NSN 5998-00-246-4422
NSN 5996-01-395-2879
NSN 6110-01-093-1776
NSN 4140-00-166-8023
NSN 6240-00-526-0243
NSN 5930-01-538-6338
NSN 5905-00-117-0863
NSN 6645-00-140-5173