A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-01-233-7668
NSN 5965-00-106-3195
NSN 5996-01-580-1975
NSN 5975-01-436-6294
NSN 5950-01-620-9003
NSN 6610-01-521-4974
NSN 5920-01-578-4335
NSN 5930-01-426-9130
NSN 5920-01-063-8250
NSN 6685-01-325-8945
NSN 6240-00-181-2503
NSN 5996-01-505-6099