A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-00-647-3883
NSN 5999-01-235-1266
NSN 5925-01-577-6014
NSN 5930-00-956-2777
NSN 6610-00-836-7397
NSN 6620-01-125-0794
NSN 5960-00-572-9706
NSN 6240-01-023-7720
NSN 5920-00-971-6795
NSN 6220-00-569-0970
NSN 6240-00-121-7628
NSN 6145-01-431-8803