A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-01-030-0662
NSN 4140-01-461-5958
NSN 5895-00-907-8567
NSN 6685-01-189-4316
NSN 6240-01-082-5552
NSN 5996-01-259-9933
NSN 4140-01-101-0585
NSN 5920-01-134-5445
NSN 5925-00-205-2767
NSN 2925-00-471-1128
NSN 6240-00-553-8891
NSN 5915-01-198-0541
Last Updated: 08/04/2025