A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 2925-01-073-8223
NSN 5855-00-411-8688
NSN 6650-01-459-2690
NSN 6645-01-014-0793
NSN 5855-00-444-2298
NSN 5998-00-943-2247
NSN 5935-00-050-7031
NSN 6110-00-568-1431
NSN 5965-01-437-5934
NSN 5945-01-481-3564
NSN 6240-00-197-6819
NSN 5895-01-241-2321