A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5998-01-187-1879
NSN 6145-01-177-0968
NSN 6110-01-352-6438
NSN 5965-01-386-2988
NSN 6320-01-370-4218
NSN 2925-00-588-5592
NSN 4140-00-127-5311
NSN 5855-01-421-7691
NSN 5915-01-025-1362
NSN 4140-00-034-0811
NSN 5965-00-378-3403
NSN 5855-01-426-5589