A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-368-4015
NSN 6220-00-527-1177
NSN 6105-00-453-6762
NSN 6320-00-731-6134
NSN 6620-01-555-1453
NSN 6645-01-626-3174
NSN 6135-01-177-3552
NSN 5930-01-129-9925
NSN 5855-01-497-0467
NSN 5915-00-688-9124
NSN 6145-00-146-2932
NSN 5965-01-381-4879