A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 2925-01-255-6394
NSN 6130-01-106-6908
NSN 5950-01-171-2796
NSN 6145-01-441-2252
NSN 5905-01-506-3156
NSN 5996-01-219-3435
NSN 5985-00-809-1187
NSN 6110-01-454-4975
NSN 6320-01-292-6635
NSN 5945-00-113-5350
NSN 6645-01-426-0207
NSN 6320-00-004-9158