A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6105-01-032-4228
NSN 5950-01-073-7276
NSN 4140-01-015-9283
NSN 5910-01-302-5941
NSN 4140-01-478-0567
NSN 5915-01-594-3616
NSN 5925-01-461-3594
NSN 5835-01-460-0582
NSN 5920-01-445-7000
NSN 6105-01-371-0801
NSN 6620-00-506-0112
NSN 5996-00-361-9901