A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-00-110-7830
NSN 6105-01-219-7378
NSN 5855-01-258-5161
NSN 6645-01-108-7904
NSN 6610-00-136-8203
NSN 6610-00-216-6538
NSN 6110-00-795-3706
NSN 4140-01-605-1533
NSN 5935-00-823-6962
NSN 6610-00-887-3176
NSN 6240-01-401-5340
NSN 6620-00-620-7360