A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5975-00-968-6124
NSN 5996-00-424-2568
NSN 5950-01-004-8052
NSN 5996-01-474-8325
NSN 5915-01-502-6623
NSN 5945-00-967-0159
NSN 5960-01-632-6576
NSN 6220-01-591-4996
NSN 5990-01-257-2476
NSN 5930-01-422-5924
NSN 7035-00-494-4575
NSN 5990-01-432-4984