A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6320-00-174-1362
NSN 5999-01-044-5417
NSN 5920-00-981-5803
NSN 6645-01-511-3272
NSN 5945-00-012-2977
NSN 6685-01-654-3070
NSN 5985-01-549-2524
NSN 5925-01-614-8094
NSN 6130-01-500-5651
NSN 6240-00-292-3237
NSN 5920-01-249-7616
NSN 6320-00-284-1524