A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5990-01-463-5400
NSN 6105-01-160-8599
NSN 5905-00-224-6124
NSN 6145-01-443-3336
NSN 5935-01-392-8000
NSN 6220-00-227-0528
NSN 7035-01-413-6697
NSN 6130-00-925-2038
NSN 5895-00-837-3441
NSN 6240-01-246-3248
NSN 5965-01-126-4178
NSN 5905-01-225-5202