A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5925-01-010-7593
NSN 6105-01-441-9312
NSN 6610-01-245-8015
NSN 5915-00-949-1223
NSN 6620-01-454-5717
NSN 6145-00-050-9919
NSN 5945-00-376-2195
NSN 5910-01-407-3377
NSN 6130-01-447-9788
NSN 5915-01-119-4090
NSN 6685-00-058-9526
NSN 5950-01-624-6601