A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-00-481-2153
NSN 6145-01-310-9379
NSN 6105-00-483-6380
NSN 5975-00-733-5988
NSN 5990-01-459-5482
NSN 5960-01-359-6630
NSN 5990-01-359-8334
NSN 6240-01-611-3411
NSN 5950-00-456-1844
NSN 6610-01-227-7221
NSN 5975-01-055-5633
NSN 5998-00-005-2416