A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6650-00-021-2467
NSN 5975-01-106-2941
NSN 4140-01-442-8862
NSN 6145-01-634-0388
NSN 6135-00-276-7625
NSN 5999-01-529-0315
NSN 5930-00-753-8777
NSN 6135-00-134-6648
NSN 5950-01-299-1744
NSN 5855-01-240-8787
NSN 5965-01-160-7037
NSN 6145-01-523-6156