A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-01-397-6210
NSN 6620-00-426-6884
NSN 6320-01-631-7828
NSN 5855-00-631-4565
NSN 5930-00-883-1101
NSN 5930-01-546-7535
NSN 6320-00-115-0883
NSN 5950-01-352-5874
NSN 5965-01-325-7721
NSN 5945-01-086-6562
NSN 5895-00-615-5319
NSN 5905-01-464-3833