A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6610-00-553-5103
NSN 6105-01-222-6583
NSN 5975-01-615-1940
NSN 6135-01-210-8715
NSN 5930-01-056-5382
NSN 5975-01-266-9498
NSN 5910-01-361-4674
NSN 6610-01-076-2437
NSN 5835-00-227-7909
NSN 5950-01-026-6956
NSN 6620-01-117-7303
NSN 6220-01-643-5601