A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5925-01-052-5128
NSN 7035-01-487-6481
NSN 6145-01-052-9325
NSN 6240-01-511-1009
NSN 5985-01-181-2593
NSN 6105-00-256-6369
NSN 5855-00-455-6070
NSN 5855-01-283-3730
NSN 2925-00-228-8854
NSN 5925-00-597-1558
NSN 6240-00-393-1161
NSN 5915-00-139-1628