A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5855-01-364-1005
NSN 5996-01-255-5512
NSN 5935-01-200-4000
NSN 5905-01-576-5025
NSN 6685-01-094-4118
NSN 6130-01-426-8841
NSN 6620-00-017-8098
NSN 5965-00-475-2759
NSN 5950-00-215-4800
NSN 5945-01-217-8690
NSN 2925-01-645-2948
NSN 5925-01-014-9858