A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-00-908-5069
NSN 6135-01-415-1163
NSN 5975-01-481-9728
NSN 5945-01-447-1109
NSN 5999-00-589-7849
NSN 5999-00-156-4424
NSN 5895-01-500-8303
NSN 6135-00-838-0706
NSN 5975-00-770-5634
NSN 5999-01-157-7203
NSN 6645-01-089-6459
NSN 6320-01-383-3257