A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-00-018-4571
NSN 5999-00-983-7080
NSN 4140-01-281-7706
NSN 6130-01-433-8867
NSN 2925-01-419-3805
NSN 6135-00-593-6831
NSN 5855-00-407-2801
NSN 6150-00-286-0806
NSN 6610-00-276-8919
NSN 5855-00-548-4742
NSN 6145-01-428-4071
NSN 6650-01-360-6577