A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5915-01-032-3004
NSN 4140-01-142-5849
NSN 6135-01-424-8130
NSN 6320-01-279-0343
NSN 6650-01-397-1925
NSN 6650-01-012-3290
NSN 5930-00-125-2463
NSN 5945-01-029-3871
NSN 5910-01-360-3339
NSN 6105-01-224-8899
NSN 4140-01-573-4240
NSN 5935-00-111-8348