A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5915-00-549-1098
NSN 5990-01-527-4868
NSN 6220-01-164-3651
NSN 5935-01-600-7919
NSN 6685-00-925-0845
NSN 4140-00-289-9263
NSN 6610-01-398-8815
NSN 6135-00-539-8088
NSN 6220-00-625-8554
NSN 5925-01-241-1855
NSN 5996-01-333-9512
NSN 5998-01-230-3346