A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-01-506-9294
NSN 5930-00-989-9709
NSN 5910-01-232-9490
NSN 6110-01-188-6026
NSN 6650-01-010-4204
NSN 6685-01-373-1292
NSN 5925-01-350-3169
NSN 6150-00-193-3226
NSN 5935-01-462-2512
NSN 6320-00-174-1362
NSN 5835-01-071-1003
NSN 5835-01-383-1313