A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-01-656-0993
NSN 5855-01-472-8320
NSN 6645-01-219-5911
NSN 5960-01-034-9935
NSN 5960-00-861-8369
NSN 4140-01-039-3638
NSN 5910-00-243-8102
NSN 6220-01-080-4090
NSN 5999-00-566-3180
NSN 5930-01-528-7560
NSN 5905-01-570-0582
NSN 5985-00-301-3814