A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-01-290-9392
NSN 6105-01-379-6755
NSN 6130-01-102-6812
NSN 5855-00-361-0167
NSN 6145-01-286-5673
NSN 6240-00-533-1493
NSN 5910-01-074-8580
NSN 5965-00-815-2525
NSN 5915-00-532-2820
NSN 5905-00-420-4251
NSN 4140-00-539-4814
NSN 6685-01-232-3069