A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-01-291-7672
NSN 5965-00-486-7907
NSN 5855-00-912-3885
NSN 6685-01-485-0003
NSN 6105-01-530-1607
NSN 6320-01-054-3046
NSN 5895-01-391-5068
NSN 5910-00-232-7344
NSN 5990-01-538-6115
NSN 5996-01-025-2333
NSN 2925-01-243-0328
NSN 6645-01-172-6838