A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 4140-01-491-2971
NSN 5945-01-381-5487
NSN 6240-01-433-3648
NSN 4140-01-606-8332
NSN 6110-00-300-1876
NSN 6105-00-826-3432
NSN 5905-01-646-1255
NSN 5920-01-647-6649
NSN 6650-01-196-4667
NSN 5925-01-416-4880
NSN 5935-01-142-9818
NSN 5975-00-556-9106