A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-01-557-9669
NSN 7035-01-513-3025
NSN 5855-00-912-3885
NSN 4140-01-033-4953
NSN 6220-01-062-2077
NSN 5960-00-080-8751
NSN 6620-01-538-2294
NSN 7035-01-261-9850
NSN 6130-01-039-6571
NSN 5945-00-551-0747
NSN 5935-01-621-3213
NSN 6650-00-136-4923