A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5960-01-147-3764
NSN 5915-01-419-2843
NSN 5945-01-462-1555
NSN 4140-01-160-4403
NSN 2925-01-311-0446
NSN 5855-01-133-3587
NSN 6650-01-140-4463
NSN 5930-01-044-6467
NSN 5950-01-384-2730
NSN 5975-00-081-2171
NSN 5965-01-173-9106
NSN 5975-00-197-9762