A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5945-01-040-7705
NSN 6130-00-170-4844
NSN 6320-01-642-2615
NSN 6220-01-027-8831
NSN 5985-00-708-2193
NSN 5855-00-288-1408
NSN 6145-00-209-5657
NSN 5925-00-156-4044
NSN 5915-00-141-0410
NSN 5950-00-204-2626
NSN 6320-00-695-3891
NSN 5985-01-100-3676