A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6135-01-370-2599
NSN 6145-00-164-0723
NSN 5960-01-331-1076
NSN 6620-01-352-5640
NSN 5910-00-530-6094
NSN 6105-00-620-5917
NSN 4140-01-239-8027
NSN 5965-01-167-8513
NSN 6620-01-230-8064
NSN 5950-00-052-1018
NSN 6610-01-467-7068
NSN 5915-00-802-9655