A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-00-723-4554
NSN 5910-01-437-8609
NSN 5990-01-363-5728
NSN 5965-01-005-6617
NSN 5920-01-421-4930
NSN 5930-00-951-4196
NSN 5996-01-647-1714
NSN 6685-00-952-4181
NSN 6110-00-876-9291
NSN 6650-01-227-1632
NSN 6135-01-449-7330
NSN 5985-01-329-6132