A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-00-038-7540
NSN 5990-00-170-4239
NSN 5895-01-018-3511
NSN 5999-01-152-2313
NSN 6110-01-411-6000
NSN 5855-01-634-0259
NSN 5990-01-533-1347
NSN 5960-01-604-1158
NSN 6685-01-505-6571
NSN 5950-00-440-3648
NSN 5950-01-499-5298
NSN 6240-01-415-3014