A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-00-882-1022
NSN 6620-00-079-0311
NSN 5990-00-133-0102
NSN 6645-00-955-7997
NSN 6685-01-087-1067
NSN 5965-01-633-8849
NSN 6320-01-357-3222
NSN 5999-00-125-9448
NSN 5975-01-265-0686
NSN 5945-01-085-7031
NSN 5895-01-038-4123
NSN 6240-01-360-6965