A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-364-6830
NSN 6320-01-630-7629
NSN 6130-01-519-3247
NSN 6685-01-495-5653
NSN 5835-00-554-0399
NSN 5999-01-364-5844
NSN 5920-00-991-2262
NSN 5910-01-089-6946
NSN 5998-00-590-4863
NSN 7035-01-271-1643
NSN 5930-01-634-0659
NSN 6240-00-422-1278