A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6105-00-310-7184
NSN 6220-00-051-4198
NSN 6645-01-515-1978
NSN 6685-01-182-0948
NSN 5945-00-243-4148
NSN 2925-00-373-8837
NSN 5996-01-120-5067
NSN 5915-01-341-5695
NSN 6135-01-408-9244
NSN 6610-01-102-2256
NSN 6135-00-166-5984
NSN 6620-00-467-7414