A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-00-820-1997
NSN 6110-01-223-2706
NSN 6240-01-363-4539
NSN 5990-01-223-4711
NSN 6610-01-414-1755
NSN 5990-01-468-1292
NSN 5925-01-219-5983
NSN 6645-01-044-2602
NSN 5996-00-949-7046
NSN 5930-01-227-5098
NSN 5996-01-209-9064
NSN 6145-00-269-4271