A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5855-00-327-2112
NSN 5985-01-378-9322
NSN 7035-01-359-7460
NSN 2925-00-261-5800
NSN 6610-01-599-4462
NSN 5925-01-295-9126
NSN 6620-01-014-7192
NSN 5999-00-106-2038
NSN 6150-00-647-3285
NSN 6240-01-653-1277
NSN 5960-00-296-9997
NSN 6620-01-522-5717