A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-01-332-6463
NSN 6145-01-003-9741
NSN 6135-01-205-5965
NSN 5930-01-004-8339
NSN 5985-01-560-9488
NSN 6220-00-605-0404
NSN 5960-01-013-9346
NSN 5905-01-144-1275
NSN 5960-01-435-1167
NSN 6110-01-640-9607
NSN 6110-00-170-6520
NSN 5935-00-387-6679