A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-01-476-2202
NSN 5915-00-130-1796
NSN 6135-00-660-8654
NSN 6130-01-647-4166
NSN 6135-00-196-5267
NSN 5998-01-300-6555
NSN 7035-01-143-3573
NSN 5835-01-220-5093
NSN 6240-00-275-1950
NSN 5975-00-295-8257
NSN 5855-00-779-2854
NSN 2925-00-833-9466