A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-00-404-2667
NSN 6135-01-528-6896
NSN 6610-00-467-2850
NSN 6320-00-139-1090
NSN 2925-01-589-4880
NSN 6145-01-432-7481
NSN 5855-01-067-7807
NSN 6150-01-308-8540
NSN 5990-01-582-1977
NSN 6610-01-134-7397
NSN 6320-00-004-9158
NSN 5998-01-267-5705