A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-00-285-2767
NSN 6150-00-123-2166
NSN 4140-01-158-4139
NSN 6110-01-011-8083
NSN 6145-01-625-5653
NSN 5975-01-472-8763
NSN 6130-01-326-0872
NSN 2925-01-552-4313
NSN 5910-00-003-8235
NSN 5935-01-170-0501
NSN 5990-00-402-7721
NSN 5855-00-610-4052