A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5905-01-510-9397
NSN 5950-01-171-8501
NSN 5920-01-343-9261
NSN 6610-01-272-8625
NSN 6320-01-406-6098
NSN 6105-01-542-0540
NSN 5960-00-140-9583
NSN 2925-00-247-6248
NSN 5999-00-971-6832
NSN 5975-00-801-7411
NSN 5920-01-019-9861
NSN 2925-01-607-4340