A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6135-01-139-1700
NSN 5935-01-544-4398
NSN 5905-01-112-9174
NSN 5930-01-604-7975
NSN 5990-01-476-9956
NSN 5835-00-119-5585
NSN 5999-00-589-2832
NSN 4140-01-514-8203
NSN 6110-01-539-3135
NSN 6135-01-388-2761
NSN 2925-00-862-8550
NSN 5930-00-320-1732