A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-01-311-1753
NSN 5895-01-225-0529
NSN 6110-01-574-4274
NSN 6620-00-990-3385
NSN 5998-01-015-9918
NSN 5905-01-480-6863
NSN 5975-01-113-8799
NSN 6130-01-604-9747
NSN 5930-01-180-8015
NSN 5905-01-157-3159
NSN 5999-00-137-9063
NSN 5835-01-454-5267