A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5965-01-196-1526
NSN 6220-01-046-4729
NSN 5915-01-074-4530
NSN 5920-01-615-0546
NSN 4140-01-068-3500
NSN 6220-01-385-8457
NSN 5910-01-410-6759
NSN 6130-00-884-9519
NSN 5975-01-316-9339
NSN 7035-01-521-2384
NSN 5975-01-516-7717
NSN 5930-01-421-3329