A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-01-528-5958
NSN 5895-01-338-0629
NSN 5915-01-449-0859
NSN 5950-01-341-6612
NSN 6110-01-430-2408
NSN 5935-01-369-6709
NSN 6650-01-050-5974
NSN 6620-01-242-7236
NSN 6135-01-469-7574
NSN 6220-01-064-8535
NSN 5950-00-559-1248
NSN 5930-01-094-7863