A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5965-01-125-5367
NSN 5990-00-576-4882
NSN 6620-01-550-2804
NSN 6145-01-017-6589
NSN 7035-00-849-5526
NSN 6145-01-076-5071
NSN 6620-00-006-1915
NSN 6145-01-634-0388
NSN 5855-01-479-8129
NSN 5920-01-314-1429
NSN 6110-01-475-4333
NSN 4140-01-545-7754
Last Updated: 08/17/2025