A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-00-826-0324
NSN 5835-01-632-6627
NSN 5925-01-425-1842
NSN 5895-01-542-9661
NSN 6220-00-862-6216
NSN 5945-00-759-1580
NSN 5905-01-323-0371
NSN 5855-01-542-9059
NSN 5999-01-083-0269
NSN 5925-01-100-4029
NSN 6610-00-113-9176
NSN 5960-01-527-4845