A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-00-170-4568
NSN 5930-00-644-9537
NSN 5965-01-175-4839
NSN 6645-01-299-4966
NSN 5999-01-023-7052
NSN 6685-00-150-7080
NSN 6145-00-913-0037
NSN 2925-00-833-9466
NSN 5975-01-187-9207
NSN 5945-01-170-2268
NSN 6110-00-104-7401
NSN 5930-01-266-0714