A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-01-378-4224
NSN 5998-01-063-3500
NSN 5895-01-607-6213
NSN 6145-01-641-5055
NSN 5855-01-512-1926
NSN 5965-01-465-3363
NSN 6620-00-604-7566
NSN 5998-00-089-2889
NSN 5835-01-321-2906
NSN 6620-01-416-1757
NSN 6650-01-203-4746
NSN 2925-01-156-4196