A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5960-00-356-6692
NSN 5910-01-019-3683
NSN 2925-01-434-6945
NSN 5930-01-584-0290
NSN 5855-01-464-3152
NSN 5965-00-082-8987
NSN 5905-01-352-5824
NSN 5920-01-574-7428
NSN 5999-00-067-5691
NSN 5998-00-269-5219
NSN 6620-00-983-4171
NSN 6620-01-483-1138