A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-372-3351
NSN 6645-01-530-3654
NSN 5835-00-055-0953
NSN 5990-01-485-0260
NSN 6610-01-568-8732
NSN 7035-00-529-3128
NSN 5915-00-243-9589
NSN 5996-01-500-1830
NSN 2925-01-645-2948
NSN 6620-01-446-6571
NSN 7035-00-020-2227
NSN 5975-00-467-8777