A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 7035-01-398-9581
NSN 6220-00-134-3065
NSN 5935-01-151-8813
NSN 5930-01-634-0659
NSN 5915-01-177-8728
NSN 6220-01-071-8437
NSN 5998-01-248-6177
NSN 5965-01-069-5650
NSN 6620-01-016-8264
NSN 6105-01-316-0853
NSN 5975-01-539-2472
NSN 5985-01-555-8057