A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5990-01-013-8464
NSN 5990-00-241-1301
NSN 6220-00-195-4655
NSN 5915-01-504-6581
NSN 6145-00-201-1330
NSN 6240-00-941-5211
NSN 5855-00-797-8217
NSN 6650-01-105-9500
NSN 5920-00-409-3650
NSN 5905-01-352-5824
NSN 6620-01-132-1776
NSN 5985-00-959-7190
Last Updated: 01/29/2025