A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 4140-00-257-5215
NSN 5910-01-301-1051
NSN 5895-01-050-2805
NSN 5996-00-400-1258
NSN 5925-01-466-0676
NSN 2925-00-246-3077
NSN 6610-01-137-4749
NSN 5855-01-114-3513
NSN 5925-01-550-7639
NSN 7035-01-218-4233
NSN 5985-00-409-1453
NSN 5855-01-003-7102