A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5975-01-119-0190
NSN 5996-01-488-8420
NSN 6145-00-653-2448
NSN 5925-00-097-7490
NSN 5960-01-285-2152
NSN 6240-01-236-0781
NSN 6610-01-364-8295
NSN 5999-01-619-1359
NSN 5905-01-058-3136
NSN 6650-01-154-1870
NSN 6145-00-101-8911
NSN 6645-01-508-4012