A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-013-5116
NSN 5910-00-065-8806
NSN 6150-00-229-1489
NSN 5960-01-053-4358
NSN 5998-01-242-3220
NSN 5960-01-086-9650
NSN 5960-01-122-7310
NSN 6645-01-480-3347
NSN 4140-00-296-9695
NSN 6645-01-076-4655
NSN 7035-01-331-5614
NSN 6220-00-079-2943