A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-126-9358
NSN 4140-01-565-9408
NSN 5965-01-260-2547
NSN 5925-00-842-4973
NSN 5950-00-753-7577
NSN 7035-00-981-7216
NSN 5985-00-235-0006
NSN 4140-01-262-7226
NSN 6105-00-726-2754
NSN 6150-01-455-5860
NSN 7035-01-344-8708
NSN 5998-01-441-2757