A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6320-01-462-3555
NSN 6105-01-644-2044
NSN 5920-01-560-8580
NSN 6610-01-370-3886
NSN 5960-00-020-5196
NSN 5960-01-290-4498
NSN 5920-01-346-4777
NSN 6150-00-799-4528
NSN 5835-01-332-2867
NSN 5950-00-052-3136
NSN 6150-01-166-3713
NSN 5855-00-198-3197