A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-511-7402
NSN 6150-01-386-5158
NSN 5855-01-513-1859
NSN 6645-01-646-2953
NSN 5905-01-430-7231
NSN 6650-00-989-1103
NSN 5950-01-471-4522
NSN 6110-01-106-5111
NSN 7035-01-537-0033
NSN 6135-01-184-0727
NSN 6150-01-185-1104
NSN 5855-00-466-2309