A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5925-01-042-8668
NSN 6645-01-444-3016
NSN 5965-00-552-9636
NSN 6145-00-022-0818
NSN 6650-01-250-5164
NSN 2925-01-142-0981
NSN 5985-01-360-8733
NSN 5925-01-440-1312
NSN 5965-01-217-7167
NSN 5975-01-143-1920
NSN 5945-01-451-0949
NSN 5835-00-005-5244