A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5996-01-547-6638
NSN 5930-01-438-3621
NSN 6645-01-367-2581
NSN 6150-01-447-3159
NSN 5996-00-508-0383
NSN 5998-01-625-7081
NSN 6145-00-264-2137
NSN 5905-01-528-5756
NSN 5998-00-800-6769
NSN 5965-00-303-9701
NSN 6220-00-753-8593
NSN 6150-01-588-8700