A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5998-01-127-2525
NSN 5925-00-525-4037
NSN 5965-01-529-0152
NSN 5935-01-659-2821
NSN 6240-00-269-3346
NSN 5920-01-097-3178
NSN 6620-00-790-6969
NSN 5998-00-276-2039
NSN 6135-01-603-3657
NSN 6685-01-294-0559
NSN 6145-00-974-6343
NSN 5935-01-152-2677