A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-446-3499
NSN 6110-01-427-3671
NSN 6620-01-350-5103
NSN 5950-01-647-4684
NSN 5915-00-074-4387
NSN 6240-00-926-1213
NSN 6610-01-087-4701
NSN 6105-01-013-9252
NSN 5835-01-589-4735
NSN 6645-01-508-4012
NSN 6240-00-105-4328
NSN 6135-01-380-4396