A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-00-754-4111
NSN 5998-01-163-3903
NSN 5905-01-139-7447
NSN 6110-01-593-3937
NSN 5999-01-357-6399
NSN 5930-01-363-0804
NSN 5965-00-463-3929
NSN 5996-00-194-6532
NSN 5990-00-081-3937
NSN 5895-00-425-6284
NSN 2925-00-333-4702
NSN 5905-00-445-1644