A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-934-9876
NSN 6130-00-187-0211
NSN 6645-00-557-5989
NSN 6105-01-269-5246
NSN 6110-01-646-7095
NSN 5990-00-629-2794
NSN 5935-00-615-6463
NSN 6110-01-122-8110
NSN 6645-01-062-6705
NSN 6105-01-369-3603
NSN 5835-01-310-8979
NSN 6610-01-203-8098