A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6650-01-472-2244
NSN 5925-00-666-4753
NSN 6685-01-045-5766
NSN 5990-00-147-3144
NSN 5910-00-763-3230
NSN 5965-00-099-0698
NSN 5985-01-186-6646
NSN 5950-00-285-6419
NSN 7035-00-620-6835
NSN 5920-01-526-7220
NSN 2925-01-519-3221
NSN 6220-01-207-5325