A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-00-794-6728
NSN 6610-01-614-7191
NSN 5960-00-338-9164
NSN 5925-00-917-3667
NSN 5990-00-174-6695
NSN 6610-01-207-0045
NSN 5930-00-247-9535
NSN 5855-00-221-9435
NSN 5905-00-385-9337
NSN 6145-01-163-3354
NSN 5915-01-529-6107
NSN 5975-00-886-8200