A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-00-936-8859
NSN 5910-01-573-6538
NSN 5996-01-204-5640
NSN 6105-01-477-9422
NSN 6220-00-925-2233
NSN 5910-01-592-2746
NSN 5930-01-157-8219
NSN 5960-01-243-0007
NSN 5895-00-454-4265
NSN 5990-01-032-3832
NSN 5855-00-548-4742
NSN 5905-01-634-0595