A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 2925-01-647-7225
NSN 5950-01-581-4969
NSN 5915-01-442-8469
NSN 5996-00-932-3796
NSN 5905-01-556-9578
NSN 6645-01-364-0867
NSN 5920-01-510-2784
NSN 2925-00-388-8932
NSN 6220-01-383-1759
NSN 5960-01-323-6432
NSN 5965-01-646-1122
NSN 5985-00-232-2168