A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 7035-01-322-8180
NSN 5975-00-761-2834
NSN 2925-01-476-3224
NSN 6220-01-422-9707
NSN 5996-00-285-3727
NSN 5960-01-469-2006
NSN 6610-01-032-5335
NSN 5996-01-415-3098
NSN 5920-00-584-4592
NSN 4140-00-678-2141
NSN 2925-01-430-4206
NSN 6650-01-256-5462